Merge branch 'master' into fieldOfView-feature_firmware_updater

Conflicts:
	cura/PrinterOutput/PrinterOutputModel.py - Bunch of code that was moved.
	plugins/USBPrinting/USBPrinterOutputDevice.py - Collisions with code style fixes.
	plugins/UltimakerMachineActions/UpgradeFirmwareMachineAction.qml - Bunch of code that was moved.

cura/CameraImageProvider.py

@@ -1,15 +1,26 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
 from PyQt5.QtGui import QImage
 from PyQt5.QtQuick import QQuickImageProvider
 from PyQt5.QtCore import QSize
 
 from UM.Application import Application
 
-
+##  Creates screenshots of the current scene.
 class CameraImageProvider(QQuickImageProvider):
     def __init__(self):
         super().__init__(QQuickImageProvider.Image)
 
     ##  Request a new image.
+    #
+    #   The image will be taken using the current camera position.
+    #   Only the actual objects in the scene will get rendered. Not the build
+    #   plate and such!
+    #   \param id The ID for the image to create. This is the requested image
+    #   source, with the "image:" scheme and provider identifier removed. It's
+    #   a Qt thing, they'll provide this parameter.
+    #   \param size The dimensions of the image to scale to.
     def requestImage(self, id, size):
         for output_device in Application.getInstance().getOutputDeviceManager().getOutputDevices():
             try:

cura/PrinterOutput/NetworkedPrinterOutputDevice.py

@@ -130,9 +130,7 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
             # We need to check if the manager needs to be re-created. If we don't, we get some issues when OSX goes to
             # sleep.
             if time_since_last_response > self._recreate_network_manager_time:
-                if self._last_manager_create_time is None:
+                if self._last_manager_create_time is None or time() - self._last_manager_create_time > self._recreate_network_manager_time:
-                    self._createNetworkManager()
-                elif time() - self._last_manager_create_time > self._recreate_network_manager_time:
                     self._createNetworkManager()
                 assert(self._manager is not None)
         elif self._connection_state == ConnectionState.closed:

cura/PrinterOutput/PrinterOutputModel.py

@@ -175,7 +175,7 @@ class PrinterOutputModel(QObject):
     def getController(self) -> "PrinterOutputController":
         return self._controller
 
-    @pyqtProperty(str, notify=nameChanged)
+    @pyqtProperty(str, notify = nameChanged)
     def name(self) -> str:
         return self._name
 

plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py

@@ -1,9 +1,12 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+import os
 from PyQt5.QtCore import QUrl
 from PyQt5.QtGui import QDesktopServices
 
+from typing import Set
+
 from UM.Extension import Extension
 from UM.Application import Application
 from UM.Logger import Logger
@@ -13,6 +16,7 @@ from UM.Settings.ContainerRegistry import ContainerRegistry
 from cura.Settings.GlobalStack import GlobalStack
 
 from .FirmwareUpdateCheckerJob import FirmwareUpdateCheckerJob
+from .FirmwareUpdateCheckerMessage import FirmwareUpdateCheckerMessage
 
 i18n_catalog = i18nCatalog("cura")
 
@@ -21,32 +25,31 @@ i18n_catalog = i18nCatalog("cura")
 #  The plugin is currently only usable for applications maintained by Ultimaker. But it should be relatively easy
 #  to change it to work for other applications.
 class FirmwareUpdateChecker(Extension):
-    JEDI_VERSION_URL = "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources"
 
-    def __init__(self):
+    def __init__(self) -> None:
         super().__init__()
 
-        # Initialize the Preference called `latest_checked_firmware` that stores the last version
-        # checked for the UM3. In the future if we need to check other printers' firmware
-        Application.getInstance().getPreferences().addPreference("info/latest_checked_firmware", "")
-
         # Listen to a Signal that indicates a change in the list of printers, just if the user has enabled the
-        # 'check for updates' option
+        # "check for updates" option
         Application.getInstance().getPreferences().addPreference("info/automatic_update_check", True)
         if Application.getInstance().getPreferences().getValue("info/automatic_update_check"):
             ContainerRegistry.getInstance().containerAdded.connect(self._onContainerAdded)
 
-        self._download_url = None
         self._check_job = None
+        self._checked_printer_names = set()  # type: Set[str]
 
     ##  Callback for the message that is spawned when there is a new version.
     def _onActionTriggered(self, message, action):
-        if action == "download":
+        if action == FirmwareUpdateCheckerMessage.STR_ACTION_DOWNLOAD:
-            if self._download_url is not None:
+            machine_id = message.getMachineId()
-                QDesktopServices.openUrl(QUrl(self._download_url))
+            download_url = message.getDownloadUrl()
-
+            if download_url is not None:
-    def _onSetDownloadUrl(self, download_url):
+                if QDesktopServices.openUrl(QUrl(download_url)):
-        self._download_url = download_url
+                    Logger.log("i", "Redirected browser to {0} to show newly available firmware.".format(download_url))
+                else:
+                    Logger.log("e", "Can't reach URL: {0}".format(download_url))
+            else:
+                Logger.log("e", "Can't find URL for {0}".format(machine_id))
 
     def _onContainerAdded(self, container):
         # Only take care when a new GlobalStack was added
@@ -63,13 +66,18 @@ class FirmwareUpdateChecker(Extension):
     #   \param silent type(boolean) Suppresses messages other than "new version found" messages.
     #                               This is used when checking for a new firmware version at startup.
     def checkFirmwareVersion(self, container = None, silent = False):
-        # Do not run multiple check jobs in parallel
+        container_name = container.definition.getName()
-        if self._check_job is not None:
+        if container_name in self._checked_printer_names:
-            Logger.log("i", "A firmware update check is already running, do nothing.")
+            return
+        self._checked_printer_names.add(container_name)
+
+        metadata = container.definition.getMetaData().get("firmware_update_info")
+        if metadata is None:
+            Logger.log("i", "No machine with name {0} in list of firmware to check.".format(container_name))
             return
 
-        self._check_job = FirmwareUpdateCheckerJob(container = container, silent = silent, url = self.JEDI_VERSION_URL,
+        self._check_job = FirmwareUpdateCheckerJob(container = container, silent = silent,
-                                                   callback = self._onActionTriggered,
+                                                   machine_name = container_name, metadata = metadata,
-                                                   set_download_url_callback = self._onSetDownloadUrl)
+                                                   callback = self._onActionTriggered)
         self._check_job.start()
         self._check_job.finished.connect(self._onJobFinished)

plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py

@@ -1,13 +1,18 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from UM.Application import Application
 from UM.Message import Message
 from UM.Logger import Logger
 from UM.Job import Job
+from UM.Version import Version
 
 import urllib.request
-import codecs
+from urllib.error import URLError
+from typing import Dict, Optional
+
+from .FirmwareUpdateCheckerLookup import FirmwareUpdateCheckerLookup, getSettingsKeyForMachine
+from .FirmwareUpdateCheckerMessage import FirmwareUpdateCheckerMessage
 
 from UM.i18n import i18nCatalog
 i18n_catalog = i18nCatalog("cura")
@@ -15,46 +20,86 @@ i18n_catalog = i18nCatalog("cura")
 
 ##  This job checks if there is an update available on the provided URL.
 class FirmwareUpdateCheckerJob(Job):
-    def __init__(self, container = None, silent = False, url = None, callback = None, set_download_url_callback = None):
+    STRING_ZERO_VERSION = "0.0.0"
+    STRING_EPSILON_VERSION = "0.0.1"
+    ZERO_VERSION = Version(STRING_ZERO_VERSION)
+    EPSILON_VERSION = Version(STRING_EPSILON_VERSION)
+
+    def __init__(self, container, silent, machine_name, metadata, callback) -> None:
         super().__init__()
         self._container = container
         self.silent = silent
-        self._url = url
         self._callback = callback
-        self._set_download_url_callback = set_download_url_callback
 
-    def run(self):
+        self._machine_name = machine_name
-        if not self._url:
+        self._metadata = metadata
-            Logger.log("e", "Can not check for a new release. URL not set!")
+        self._lookups = None  # type:Optional[FirmwareUpdateCheckerLookup]
-            return
+        self._headers = {}  # type:Dict[str, str]  # Don't set headers yet.
+
+    def getUrlResponse(self, url: str) -> str:
+        result = self.STRING_ZERO_VERSION
 
         try:
+            request = urllib.request.Request(url, headers = self._headers)
+            response = urllib.request.urlopen(request)
+            result = response.read().decode("utf-8")
+        except URLError:
+            Logger.log("w", "Could not reach '{0}', if this URL is old, consider removal.".format(url))
+
+        return result
+
+    def parseVersionResponse(self, response: str) -> Version:
+        raw_str = response.split("\n", 1)[0].rstrip()
+        return Version(raw_str)
+
+    def getCurrentVersion(self) -> Version:
+        max_version = self.ZERO_VERSION
+        if self._lookups is None:
+            return max_version
+
+        machine_urls = self._lookups.getCheckUrls()
+        if machine_urls is not None:
+            for url in machine_urls:
+                version = self.parseVersionResponse(self.getUrlResponse(url))
+                if version > max_version:
+                    max_version = version
+
+        if max_version < self.EPSILON_VERSION:
+            Logger.log("w", "MachineID {0} not handled!".format(self._lookups.getMachineName()))
+
+        return max_version
+
+    def run(self):
+        if self._lookups is None:
+            self._lookups = FirmwareUpdateCheckerLookup(self._machine_name, self._metadata)
+
+        try:
+            # Initialize a Preference that stores the last version checked for this printer.
+            Application.getInstance().getPreferences().addPreference(
+                getSettingsKeyForMachine(self._lookups.getMachineId()), "")
+
+            # Get headers
             application_name = Application.getInstance().getApplicationName()
-            headers = {"User-Agent": "%s - %s" % (application_name, Application.getInstance().getVersion())}
+            application_version = Application.getInstance().getVersion()
-            request = urllib.request.Request(self._url, headers = headers)
+            self._headers = {"User-Agent": "%s - %s" % (application_name, application_version)}
-            current_version_file = urllib.request.urlopen(request)
-            reader = codecs.getreader("utf-8")
 
             # get machine name from the definition container
             machine_name = self._container.definition.getName()
-            machine_name_parts = machine_name.lower().split(" ")
 
             # If it is not None, then we compare between the checked_version and the current_version
-            # Now we just do that if the active printer is Ultimaker 3 or Ultimaker 3 Extended or any
+            machine_id = self._lookups.getMachineId()
-            # other Ultimaker 3 that will come in the future
+            if machine_id is not None:
-            if len(machine_name_parts) >= 2 and machine_name_parts[:2] == ["ultimaker", "3"]:
+                Logger.log("i", "You have a(n) {0} in the printer list. Let's check the firmware!".format(machine_name))
-                Logger.log("i", "You have a UM3 in printer list. Let's check the firmware!")
 
-                # Nothing to parse, just get the string
+                current_version = self.getCurrentVersion()
-                # TODO: In the future may be done by parsing a JSON file with diferent version for each printer model
-                current_version = reader(current_version_file).readline().rstrip()
 
-                # If it is the first time the version is checked, the checked_version is ''
+                # If it is the first time the version is checked, the checked_version is ""
-                checked_version = Application.getInstance().getPreferences().getValue("info/latest_checked_firmware")
+                setting_key_str = getSettingsKeyForMachine(machine_id)
+                checked_version = Version(Application.getInstance().getPreferences().getValue(setting_key_str))
 
-                # If the checked_version is '', it's because is the first time we check firmware and in this case
+                # If the checked_version is "", it's because is the first time we check firmware and in this case
                 # we will not show the notification, but we will store it for the next time
-                Application.getInstance().getPreferences().setValue("info/latest_checked_firmware", current_version)
+                Application.getInstance().getPreferences().setValue(setting_key_str, current_version)
                 Logger.log("i", "Reading firmware version of %s: checked = %s - latest = %s", machine_name, checked_version, current_version)
 
                 # The first time we want to store the current version, the notification will not be shown,
@@ -62,28 +107,11 @@ class FirmwareUpdateCheckerJob(Job):
                 # notify the user when no new firmware version is available.
                 if (checked_version != "") and (checked_version != current_version):
                     Logger.log("i", "SHOWING FIRMWARE UPDATE MESSAGE")
-
+                    message = FirmwareUpdateCheckerMessage(machine_id, machine_name, self._lookups.getRedirectUserUrl())
-                    message = Message(i18n_catalog.i18nc(
-                        "@info Don't translate {machine_name}, since it gets replaced by a printer name!",
-                        "New features are available for your {machine_name}! It is recommended to update the firmware on your printer.").format(
-                        machine_name=machine_name),
-                        title=i18n_catalog.i18nc(
-                                          "@info:title The %s gets replaced with the printer name.",
-                                          "New %s firmware available") % machine_name)
-
-                    message.addAction("download",
-                                      i18n_catalog.i18nc("@action:button", "How to update"),
-                                      "[no_icon]",
-                                      "[no_description]",
-                                      button_style=Message.ActionButtonStyle.LINK,
-                                      button_align=Message.ActionButtonStyle.BUTTON_ALIGN_LEFT)
-
-
-                    # If we do this in a cool way, the download url should be available in the JSON file
-                    if self._set_download_url_callback:
-                        self._set_download_url_callback("https://ultimaker.com/en/resources/20500-upgrade-firmware")
                     message.actionTriggered.connect(self._callback)
                     message.show()
+            else:
+                Logger.log("i", "No machine with name {0} in list of firmware to check.".format(machine_name))
 
         except Exception as e:
             Logger.log("w", "Failed to check for new version: %s", e)

plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerLookup.py

@@ -0,0 +1,35 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from typing import List, Optional
+
+from UM.i18n import i18nCatalog
+i18n_catalog = i18nCatalog("cura")
+
+
+def getSettingsKeyForMachine(machine_id: int) -> str:
+    return "info/latest_checked_firmware_for_{0}".format(machine_id)
+
+
+class FirmwareUpdateCheckerLookup:
+
+    def __init__(self, machine_name, machine_json) -> None:
+        # Parse all the needed lookup-tables from the ".json" file(s) in the resources folder.
+        self._machine_id = machine_json.get("id")
+        self._machine_name = machine_name.lower()  # Lower in-case upper-case chars are added to the original json.
+        self._check_urls = []  # type:List[str]
+        for check_url in machine_json.get("check_urls"):
+            self._check_urls.append(check_url)
+        self._redirect_user = machine_json.get("update_url")
+
+    def getMachineId(self) -> Optional[int]:
+        return self._machine_id
+
+    def getMachineName(self) -> Optional[int]:
+        return self._machine_name
+
+    def getCheckUrls(self) -> Optional[List[str]]:
+        return self._check_urls
+
+    def getRedirectUserUrl(self) -> Optional[str]:
+        return self._redirect_user

plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerMessage.py

@@ -0,0 +1,37 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.i18n import i18nCatalog
+from UM.Message import Message
+
+i18n_catalog = i18nCatalog("cura")
+
+
+# Make a separate class, since we need an extra field: The machine-id that this message is about.
+class FirmwareUpdateCheckerMessage(Message):
+    STR_ACTION_DOWNLOAD = "download"
+
+    def __init__(self, machine_id: int, machine_name: str, download_url: str) -> None:
+        super().__init__(i18n_catalog.i18nc(
+            "@info Don't translate {machine_name}, since it gets replaced by a printer name!",
+            "New features are available for your {machine_name}! It is recommended to update the firmware on your printer.").format(
+            machine_name = machine_name),
+            title = i18n_catalog.i18nc(
+                "@info:title The %s gets replaced with the printer name.",
+                "New %s firmware available") % machine_name)
+
+        self._machine_id = machine_id
+        self._download_url = download_url
+
+        self.addAction(self.STR_ACTION_DOWNLOAD,
+                          i18n_catalog.i18nc("@action:button", "How to update"),
+                          "[no_icon]",
+                          "[no_description]",
+                          button_style = Message.ActionButtonStyle.LINK,
+                          button_align = Message.ActionButtonStyle.BUTTON_ALIGN_LEFT)
+
+    def getMachineId(self) -> int:
+        return self._machine_id
+
+    def getDownloadUrl(self) -> str:
+        return self._download_url

plugins/USBPrinting/USBPrinterOutputDevice.py

@@ -51,7 +51,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         self._all_baud_rates = [115200, 250000, 230400, 57600, 38400, 19200, 9600]
 
         # Instead of using a timer, we really need the update to be as a thread, as reading from serial can block.
-        self._update_thread = Thread(target=self._update, daemon=True)
+        self._update_thread = Thread(target = self._update, daemon = True)
 
         self._last_temperature_request = None  # type: Optional[int]
 
@@ -172,15 +172,19 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
             except SerialException:
                 Logger.log("w", "An exception occured while trying to create serial connection")
                 return
+        CuraApplication.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerStackChanged)
+        self._onGlobalContainerStackChanged()
+        self.setConnectionState(ConnectionState.connected)
+        self._update_thread.start()
+
+    def _onGlobalContainerStackChanged(self):
         container_stack = CuraApplication.getInstance().getGlobalContainerStack()
         num_extruders = container_stack.getProperty("machine_extruder_count", "value")
         # Ensure that a printer is created.
         controller = GenericOutputController(self)
         controller.setCanUpdateFirmware(True)
-        self._printers = [PrinterOutputModel(output_controller=controller, number_of_extruders=num_extruders)]
+        self._printers = [PrinterOutputModel(output_controller = controller, number_of_extruders = num_extruders)]
         self._printers[0].updateName(container_stack.getName())
-        self.setConnectionState(ConnectionState.connected)
-        self._update_thread.start()
 
     def close(self):
         super().close()

resources/definitions/creality_ender3.def.json

@@ -41,6 +41,9 @@
                 [30, 34]
             ]
         },
+        "material_diameter": {
+            "default_value": 1.75
+        },
         "acceleration_enabled": {
             "default_value": true
         },
@@ -56,6 +59,9 @@
         "jerk_travel": {
             "default_value": 20
         },
+        "layer_height": {
+            "default_value": 0.10
+        },
         "layer_height_0": {
             "default_value": 0.2
         },

resources/definitions/fdmprinter.def.json

@@ -1217,11 +1217,11 @@
                 "connect_skin_polygons":
                 {
                     "label": "Connect Top/Bottom Polygons",
-                    "description": "Connect top/bottom skin paths where they run next to each other. For the concentric pattern enabling this setting greatly reduces the travel time, but because the connections can happend midway over infill this feature can reduce the top surface quality.",
+                    "description": "Connect top/bottom skin paths where they run next to each other. For the concentric pattern enabling this setting greatly reduces the travel time, but because the connections can happen midway over infill this feature can reduce the top surface quality.",
                     "type": "bool",
                     "default_value": false,
                     "enabled": "(top_layers > 0 or bottom_layers > 0) and top_bottom_pattern == 'concentric'",
-                    "limit_to_extruder": "infill_extruder_nr",
+                    "limit_to_extruder": "top_bottom_extruder_nr",
                     "settable_per_mesh": true
                 },
                 "skin_angles":

resources/definitions/makerbotreplicator.def.json

@@ -6,6 +6,7 @@
         "visible": true,
         "author": "Ultimaker",
         "manufacturer": "MakerBot",
+        "machine_x3g_variant": "r1",
         "file_formats": "application/x3g",
         "platform_offset": [ 0, 0, 0],
         "machine_extruder_trains":

resources/definitions/ultimaker3.def.json

@@ -24,7 +24,16 @@
         },
         "first_start_actions": [ "DiscoverUM3Action" ],
         "supported_actions": [ "DiscoverUM3Action" ],
-        "supports_usb_connection": false
+        "supports_usb_connection": false,
+        "firmware_update_info": {
+            "id": 9066,
+            "check_urls":
+            [
+                "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources",
+                "http://software.ultimaker.com/releases/firmware/9066/stable/version.txt"
+            ],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
 

resources/definitions/ultimaker3_extended.def.json

@@ -23,7 +23,16 @@
             "1": "ultimaker3_extended_extruder_right"
         },
         "first_start_actions": [ "DiscoverUM3Action" ],
-        "supported_actions": [ "DiscoverUM3Action" ]
+        "supported_actions": [ "DiscoverUM3Action" ],
+        "firmware_update_info": {
+            "id": 9511,
+            "check_urls":
+            [
+                "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources",
+                "http://software.ultimaker.com/releases/firmware/9511/stable/version.txt"
+            ],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
     "overrides": {

resources/definitions/ultimaker_s5.def.json

@@ -30,7 +30,12 @@
         "first_start_actions": [ "DiscoverUM3Action" ],
         "supported_actions": [ "DiscoverUM3Action" ],
         "supports_usb_connection": false,
-        "weight": -1
+        "weight": -1,
+        "firmware_update_info": {
+            "id": 9051,
+            "check_urls": ["http://software.ultimaker.com/releases/firmware/9051/stable/version.txt"],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
     "overrides": {

resources/extruders/alya3dp_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/creality_cr10s4_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/creality_cr10s5_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/deltabot_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.5 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/grr_neo_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.5 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/kupido_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/makeR_pegasus_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/maker_starter_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/monoprice_select_mini_v1_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/monoprice_select_mini_v2_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/extruders/printrbot_play_heated_extruder_0.def.json

@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }

resources/qml/PrintMonitor.qml

@@ -44,7 +44,7 @@ Column
             Repeater
             {
                 id: extrudersRepeater
-                model: activePrinter!=null ? activePrinter.extruders : null
+                model: activePrinter != null ? activePrinter.extruders : null
 
                 ExtruderBox
                 {

resources/qml/PrinterOutput/OutputDeviceHeader.qml

@@ -14,11 +14,19 @@ Item
     implicitHeight: Math.floor(childrenRect.height + UM.Theme.getSize("default_margin").height * 2)
     property var outputDevice: null
 
+    Connections
+    {
+        target: Cura.MachineManager
+        onGlobalContainerChanged:
+        {
+            outputDevice = Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null;
+        }
+    }
+
     Rectangle
     {
         height: childrenRect.height
         color: UM.Theme.getColor("setting_category")
-        property var activePrinter: outputDevice != null ? outputDevice.activePrinter : null
 
         Label
         {
@@ -28,7 +36,7 @@ Item
             anchors.left: parent.left
             anchors.top: parent.top
             anchors.margins: UM.Theme.getSize("default_margin").width
-            text: outputDevice != null ? activePrinter.name : ""
+            text: outputDevice != null ? outputDevice.activePrinter.name : ""
         }
 
         Label