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@RF47 and I have been working on a **two-step input shaping calibration** to help fine-tune print quality and Junction Deviation Test for Marlin2 printers. This is based on [Klipper's Resonance Compensation](https://www.klipper3d.org/Resonance_Compensation.html#resonance-compensation), [Marlin’s M593 G-code](https://marlinfw.org/docs/gcode/M593.html), discussions from [SoftFever/OrcaSlicer#1820](https://github.com/SoftFever/OrcaSlicer/issues/1820), some elements from the [input_shaping branch](https://github.com/SoftFever/OrcaSlicer/tree/feature/input_shaping) and Junction Deviation [Marlin Documentation](https://marlinfw.org/docs/configuration/configuration.html#junction-deviation-) This is for Marlin only, but I'm working on a future Klipper-compatible version here: [VFA-Calibs+Klipper](https://github.com/ianalexis/OrcaSlicer/tree/VFA-Calibs%2BKlipper). However, we don't own a Klipper machine, so we're unsure how to improve it or verify if it works correctly. ### Calibration Steps 1. **Frequency Test** – Helps identify the optimal input shaping frequency. 2. **Damping Test** – Fine-tunes the damping ratio for smoother prints. ### Screenshots         ## Tests - Marlin tested on **Ender 3-class printers** (@RF47 and @ianalexis) - Klipper tested in Voron 2.4 and an FLSun T1 Pro @ShaneDelmore - Tested in Windows and MacOs. |
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