Bring configs up to date, clean up

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/ADIMLab/Gantry v1/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/ADIMLab/Gantry v2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Alfawise/U20-bltouch/Configuration.h

@@ -862,6 +862,8 @@
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
 
+  //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
+
   #define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
   #if ENABLED(LIMITED_JERK_EDITING)
     #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits

config/examples/Alfawise/U20-bltouch/Configuration_adv.h

@@ -760,6 +760,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Alfawise/U20/Configuration.h

@@ -862,6 +862,8 @@
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
 
+  //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
+
   #define LIMITED_JERK_EDITING          // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
   #if ENABLED(LIMITED_JERK_EDITING)
     #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits

config/examples/Alfawise/U20/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/AliExpress/UM2pExt/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/A2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/A2plus/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/A6/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/A8/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/A8plus/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/E10/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Anet/E16/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/AnyCubic/Mega Zero/Configuration.h

@@ -493,9 +493,9 @@
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
 
   // Ultimaker
-  // #define DEFAULT_Kp 22.2
-  // #define DEFAULT_Ki 1.08
-  // #define DEFAULT_Kd 114
+  //#define DEFAULT_Kp 22.2
+  //#define DEFAULT_Ki 1.08
+  //#define DEFAULT_Kd 114
 
   // MakerGear
   //#define DEFAULT_Kp 7.0

config/examples/AnyCubic/Mega Zero/_Bootscreen.h

@@ -23,7 +23,7 @@
 
 #define CONFIG_EXAMPLES_DIR "AnyCubic/Mega Zero"
 
-// #define CUSTOM_BOOTSCREEN_TIMEOUT 2000
+//#define CUSTOM_BOOTSCREEN_TIMEOUT 2000
 #define CUSTOM_BOOTSCREEN_INVERTED
 
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  128

config/examples/AnyCubic/i3/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/ArmEd/Configuration.h

@@ -112,7 +112,7 @@
  * Select a secondary serial port on the board to use for communication with the host.
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
-// #define SERIAL_PORT_2 3
+//#define SERIAL_PORT_2 3
 
 /**
  * This setting determines the communication speed of the printer.

config/examples/ArmEd/Configuration_adv.h

@@ -763,6 +763,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Artillery/Genius/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Artillery/Sidewinder X1/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/BIBO/TouchX/default/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/BQ/Hephestos/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/BQ/WITBOX/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Cartesio/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10 V2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10S/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10_5S/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10mini/CrealityV1/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-10mini/MEEB-3DP/Configuration.h

@@ -1104,10 +1104,10 @@
 
 #define UNKNOWN_Z_NO_RAISE        // Don't raise Z (lower the bed) if Z is "unknown." For beds that fall when Z is powered off.
 
-#define Z_HOMING_HEIGHT 0
+#define Z_HOMING_HEIGHT  0        // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, ...
                                   // Be sure to have this much clearance over your Z_MAX_POS to prevent grinding.
 
-#define Z_AFTER_HOMING 10
+//#define Z_AFTER_HOMING  10      // (mm) Height to move to after homing Z
 
 // Direction of endstops when homing; 1=MAX, -1=MIN
 // :[-1,1]
@@ -1528,7 +1528,7 @@
   //#define NOZZLE_PARK_Y_ONLY          // Y move only is required to park
   #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
   #define NOZZLE_PARK_XY_FEEDRATE 100   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
-  #define NOZZLE_PARK_Z_FEEDRATE 25
+  #define NOZZLE_PARK_Z_FEEDRATE   25   // (mm/s) Z axis feedrate (not used for delta printers)
 #endif
 
 /**
@@ -2272,7 +2272,7 @@
   //#define NEOPIXEL2_PIN    5
   #define NEOPIXEL_PIXELS 17
   //#define NEOPIXEL_IS_SEQUENTIAL // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
-  #define NEOPIXEL_BRIGHTNESS 255
+  #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness (0-255)
   #define NEOPIXEL_STARTUP_TEST    // Cycle through colors at startup
 
   // Use a single Neopixel LED for static (background) lighting

config/examples/Creality/CR-20 Pro/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-20/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/CR-8/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/BigTreeTech SKR Mini E3 1.0/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/BigTreeTech SKR Mini E3 1.2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/CrealityV1/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/FYSETC Cheetah 1.2/BLTouch/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/FYSETC Cheetah 1.2/base/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/FYSETC Cheetah/BLTouch/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/FYSETC Cheetah/base/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-3/MEEB-3DP/Configuration.h

@@ -1104,10 +1104,10 @@
 
 #define UNKNOWN_Z_NO_RAISE        // Don't raise Z (lower the bed) if Z is "unknown." For beds that fall when Z is powered off.
 
-#define Z_HOMING_HEIGHT 0
+#define Z_HOMING_HEIGHT  0        // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, ...
                                   // Be sure to have this much clearance over your Z_MAX_POS to prevent grinding.
 
-#define Z_AFTER_HOMING 10
+//#define Z_AFTER_HOMING  10      // (mm) Height to move to after homing Z
 
 // Direction of endstops when homing; 1=MAX, -1=MIN
 // :[-1,1]
@@ -1528,7 +1528,7 @@
   //#define NOZZLE_PARK_Y_ONLY          // Y move only is required to park
   #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
   #define NOZZLE_PARK_XY_FEEDRATE 100   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
-  #define NOZZLE_PARK_Z_FEEDRATE 25
+  #define NOZZLE_PARK_Z_FEEDRATE   25   // (mm/s) Z axis feedrate (not used for delta printers)
 #endif
 
 /**
@@ -2266,13 +2266,13 @@
 // Support for Adafruit Neopixel LED driver
 #define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE NEO_GRBW
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   //#define NEOPIXEL_PIN     4     // LED driving pin
   //#define NEOPIXEL2_TYPE NEOPIXEL_TYPE
   //#define NEOPIXEL2_PIN    5
   #define NEOPIXEL_PIXELS 16
   //#define NEOPIXEL_IS_SEQUENTIAL // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
-  #define NEOPIXEL_BRIGHTNESS 255
+  #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness (0-255)
   #define NEOPIXEL_STARTUP_TEST    // Cycle through colors at startup
 
   // Use a single Neopixel LED for static (background) lighting

config/examples/Creality/Ender-4/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-5 Pro/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Creality/Ender-5/Creality/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Dagoma/Disco Ultimate/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/EXP3D/Imprimante multifonction/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Einstart-S/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/FYSETC/AIO_II/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/FYSETC/F6_13/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/FYSETC/S6/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Felix/DUAL/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Felix/Single/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/FlashForge/CreatorPro/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/FolgerTech/i3-2020/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Formbot/Raptor/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Formbot/T_Rex_3/Configuration_adv.h

@@ -764,6 +764,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A10/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A10D/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A10M/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A10T/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A20/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A20M/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A20T/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/A30/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/D200/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/Duplicator5/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/E180/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/M201/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/MeCreator2/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/Me_creator/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/Me_ducer/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/PI3A PRO/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/HMS434/Configuration_adv.h

@@ -750,6 +750,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Infitary/i3-M508/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/JGAurora/A1/Configuration_adv.h

@@ -119,7 +119,7 @@
 
 #define HEATER_BED_INVERTING 1
 #define HEATER_0_INVERTING 1
-// #define HEATER_1_INVERTING 0
+//#define HEATER_1_INVERTING 0
 #define FAN_INVERTING 1
 
 //
@@ -764,6 +764,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/JGAurora/A5/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/JGAurora/A5S/Configuration_adv.h

@@ -119,7 +119,7 @@
 
 #define HEATER_BED_INVERTING 1
 #define HEATER_0_INVERTING 1
-// #define HEATER_1_INVERTING 0
+//#define HEATER_1_INVERTING 0
 #define FAN_INVERTING 1
 
 //
@@ -764,6 +764,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/JGAurora/Magic/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/MakerFarm/Pegasus_12/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/MakerParts/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Malyan/M150/Configuration.h

@@ -764,9 +764,9 @@
 
 // Other common M150 values:
 // 16T MXL on X and Y
-// #define DEFAULT_AXIS_STEPS_PER_UNIT   { 3200/32.512, 3200/32.512, 1600, 103.00 }
+//#define DEFAULT_AXIS_STEPS_PER_UNIT   { 3200/32.512, 3200/32.512, 1600, 103.00 }
 // 16T GT2 on X and Y
-// #define DEFAULT_AXIS_STEPS_PER_UNIT   { 100, 100, 1600, 103.00 }
+//#define DEFAULT_AXIS_STEPS_PER_UNIT   { 100, 100, 1600, 103.00 }
 
 /**
  * Default Max Feed Rate (mm/s)

config/examples/Malyan/M150/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Malyan/M200/Configuration_adv.h

@@ -761,6 +761,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Micromake/C1/basic/Configuration.h

@@ -800,8 +800,8 @@
 //#define CLASSIC_JERK
 #if ENABLED(CLASSIC_JERK)
   #define DEFAULT_XJERK 10.0
-  #define DEFAULT_YJERK DEFAULT_XJERK
-  #define DEFAULT_ZJERK DEFAULT_XJERK // Must be same as XY for delta
+  #define DEFAULT_YJERK 10.0
+  #define DEFAULT_ZJERK 10.0
 
   //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
 

config/examples/Micromake/C1/enhanced/Configuration.h

@@ -800,8 +800,8 @@
 //#define CLASSIC_JERK
 #if ENABLED(CLASSIC_JERK)
   #define DEFAULT_XJERK 10.0
-  #define DEFAULT_YJERK DEFAULT_XJERK
-  #define DEFAULT_ZJERK DEFAULT_XJERK // Must be same as XY for delta
+  #define DEFAULT_YJERK 10.0
+  #define DEFAULT_ZJERK 10.0
 
   //#define TRAVEL_EXTRA_XYJERK 0.0     // Additional jerk allowance for all travel moves
 

config/examples/Micromake/C1/enhanced/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Mks/Robin/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Mks/Sbase/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this

config/examples/Modix/Big60/Configuration_adv.h

@@ -759,6 +759,7 @@
     #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
+  // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
   #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
   #define Z_STEPPER_ALIGN_ITERATIONS 3    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this