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Experimental Cura build for Raspberry Pi 4 now available

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Posted (edited) · Experimental Cura build for Raspberry Pi 4 now available

Now available is a Linux AppImage that runs on an armhf system (e.g. a Pi 4). It has received minimal testing but it does appear to work (I sliced a benchy OK!).

 

Obviously, even the amazing Pi 4 is still quite limited compared to most laptops, etc. so don't expect stellar performance but it is surprisingly usable. I think it exceeded my expectation.

 

It is highly recommend that you have 4GB of memory and a CPU fan!

 

Known limitations are that currently the layer view only works in compatibility mode and that the UI QML is slow due to lack of JIT support.

 

If you try it out, please post feedback on this thread or open an issue at https://github.com/smartavionics/Cura/issues.

 

You can find the release at https://www.dropbox.com/sh/s43vqzmi4d2bqe2/AAADdYdSu9iwcKa0Knqgurm4a?dl=0.

 

Remember, all my builds are provided with no warranty whatsoever. That said, I try to fix issues where I can.

Edited by burtoogle
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Posted · Experimental Cura build for Raspberry Pi 4 now available

Here's the system it was built on. Very nice case from thingiverse sliced without top/bottom skins, just gyroid infill. The SSD wasn't actually used during the build as all files were on the SD card.

 

IMG_20190708_155103565.thumb.jpg.e69176b699db4aac0820f04034c86897.jpg

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Impressive!

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Posted · Experimental Cura build for Raspberry Pi 4 now available

This is super cool!

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi!
That's great, we'll be able to do some tests.
Thank you for sharing

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi @icare, you're welcome. As far as I am aware, the pi build is fully functional in the sense that it contains all the features (and bugs!) that the x86 version does. However, due to the level of OpenGL supported by the pi being less than 4.1, the layer display falls back to compatibility mode. I can't do anything about that and I don't know if the pi will ever support 4.1. Other than that, performance isn't too bad given the cost of the platform. Have fun!

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi,

thank you for the answer. In the Buster distribution, there is, in the packages, the version 3.3.1 of Cura.

When start the application, Cura crashes with the following Crash Report:

Quote

A fatal errorhas occurred in Cura. Please send us this Crash Reportto fix the problem
Please use the "Send report" button to post a bug report automatically our servers

System information
  Cura version: 3.3.1
  Platform: Linux-4.19.58-v7l+armv7l-with-debian-10.0
  Qt version: 5.11.3
  PyQt version: 5.11.3
  OpenGL:Not yet initialized

Error traceback
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cura/Settings/MachineManager.py", line 970, in setSettingForAllExtruders
    for key, extruder in self._global_container_stack.extruders.items():
AttributeError: 'NoneType' object has no attribute 'extruders'

Logs
Thread 0xa14f7460 (most recent call first):
  File "/usr/lib/python3/dist-packages/UM/Backend/Backend.py", line 155 in _storeStderrToLogThread
  File "/usr/lib/python3.7/threading.py", line 865 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa1cf8460 (most recent call first):
  File "/usr/lib/python3/dist-packages/UM/Backend/Backend.py", line 147 in _storeOutputToLogThread
  File "/usr/lib/python3.7/threading.py", line 865 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa2cfa460 (most recent call first):
  File "/usr/lib/cura/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py", line 61 in _updateThread
  File "/usr/lib/python3.7/threading.py", line 865 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa34fb460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 296 in wait
  File "/usr/lib/python3.7/threading.py", line 427 in acquire
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa3cfc460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 296 in wait
  File "/usr/lib/python3.7/threading.py", line 427 in acquire
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa44fd460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 296 in wait
  File "/usr/lib/python3.7/threading.py", line 427 in acquire
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa4cfe460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 296 in wait
  File "/usr/lib/python3.7/threading.py", line 427 in acquire
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/usr/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa54ff460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 300 in wait
  File "/usr/lib/python3/dist-packages/zeroconf.py", line 1794 in wait
  File "/usr/lib/python3/dist-packages/zeroconf.py", line 1365 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa5eff460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 300 in wait
  File "/usr/lib/python3/dist-packages/zeroconf.py", line 1794 in wait
  File "/usr/lib/python3/dist-packages/zeroconf.py", line 1219 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa68ff460 (most recent call first):
  File "/usr/lib/python3/dist-packages/zeroconf.py", line 1140 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa72ff460 (most recent call first):
  File "/usr/lib/python3.7/threading.py", line 300 in wait
  File "/usr/lib/python3.7/threading.py", line 552 in wait
  File "/usr/lib/cura/plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py", line 274 in _handleOnServiceChangedRequests
  File "/usr/lib/python3.7/threading.py", line 865 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Thread 0xa86f7460 (most recent call first):
  File "/usr/lib/cura/plugins/USBPrinting/USBPrinterOutputDeviceManager.py", line 66 in _updateThread
  File "/usr/lib/python3.7/threading.py", line 865 in run
  File "/usr/lib/python3.7/threading.py", line 917 in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 885 in _bootstrap

Current thread 0xb6f96ad0 (most recent call first):
  File "/usr/lib/python3/dist-packages/cura/CrashHandler.py", line 364 in _logInfoWidget
  File "/usr/lib/python3/dist-packages/cura/CrashHandler.py", line 214 in _createDialog
  File "/usr/lib/python3/dist-packages/cura/CrashHandler.py", line 82 in __init__
  File "/usr/bin/cura", line 101 in exceptHook
  File "/usr/lib/python3/dist-packages/UM/Qt/Bindings/ControllerProxy.py", line 98 in _onActiveStageChanged
  File "/usr/lib/python3/dist-packages/UM/Signal.py", line 315 in __performEmit
  File "/usr/lib/python3/dist-packages/UM/Signal.py", line 212 in emit
  File "/usr/lib/python3/dist-packages/UM/Controller.py", line 162 in setActiveStage
  File "/usr/lib/python3/dist-packages/cura/CuraApplication.py", line 768 in runWithGUI
  File "/usr/lib/python3/dist-packages/cura/CuraApplication.py", line 687 in run
  File "/usr/bin/cura", line 141 in <module>

 

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Posted · Experimental Cura build for Raspberry Pi 4 now available

I didn't even know that package was available so I have never tried it.

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi,

12 minutes ago, burtoogle said:

I didn't even know that package was available so I have never tried it. 

Fortunately.

Your version works at least. 😉

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi,

Do you have an email list to be notified that a new version is available?

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Posted · Experimental Cura build for Raspberry Pi 4 now available
6 minutes ago, icare said:

Hi,

Do you have an email list to be notified that a new version is available?

 

Sorry, no. You just have to check the dropbox folder every now and again.

 

I'm about to take a week off but, normally, I am releasing builds whenever there's some upstream activity worth trying or I have fixed a significant bug or created some noteworthy new feature (in other words, releases are totally random!)

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Posted (edited) · Experimental Cura build for Raspberry Pi 4 now available

Hi,

For my 3D print station, I mainly use freeCad, Cura and Pronterface. FreeCad does not work under Buster (OpenGL problem).

I am currently using a fork of Sketch on a RPI3 + B with the following software (micrometer.xyz) :

  • OpenSCAD / Slic3R / Pronterface / Marlin
  • Arduino 1.8.x with ESP8266/ESP32 compilers
  • KiCAD 5
  • FreeCAD 18 (with FEM)
  • LinuxCNC with RT kernel
  • VLC with GPU support
  • Inkscape Laser cutter g-code plug-in
  • inkCut
  • ROS Melodic, voxblox, movit
  • OpenCV 3.4.5 Complete
  • MATE gnome desktop
  • gcode tools for linuxCNC/EMC2 milling and lathe control
  • gqrx, wsjtx 2.0, qsstv, Xastir, OpenCPN, rtl-ais+kalibrate, wxtoimg 2.11.2, direwolf, dump1090, rtlsdr_scanner, CHIRP
  • Blade/Laser cutter/engraver driver compatibility lists

Even if you do not have the same processors, why not try it.

At the launch of Cura in a terminal, I have the following message:

Quote

pi@neptune:~/Desktop $ ./Cura-mb-master-armhf-20190802.AppImage
cura: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.28' not found (required by cura)
cura: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.25' not found (required by cura)
pi@neptune:~/Desktop $

 

Is there a solution or utopia?

Thanks

Edited by icare

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi,

6 minutes ago, burtoogle said:

 

Sorry, no. You just have to check the dropbox folder every now and again.

 

I'm about to take a week off but, normally, I am releasing builds whenever there's some upstream activity worth trying or I have fixed a significant bug or created some noteworthy new feature (in other words, releases are totally random!)

Ok

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Posted · Experimental Cura build for Raspberry Pi 4 now available

The armhf release is compiled on Buster and that has /lib/arm-linux-gnueabihf/libc-2.28.so. So I can understand it requiring that but I don't know why it also wants libc-2.25.so.

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Perhaps you could get the libc-2.28.so from Buster, save it in some dir and use LD_LIBRARY_PATH to make the AppImage use that in preference to the system library. No guarantee that it would work, though.

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Posted (edited) · Experimental Cura build for Raspberry Pi 4 now available

Hi,

Thank you for the library.

Where can I find the libc-2.25.so library?

[edit]

There is not this library in Buster

Edited by icare
information

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Hi,

I sliced some STL files and the result is perfect. the slicing time is more than correct compared to the 3D printing time. 🙂

Thank you for the Cura adapting on the RPI4 Buster.

I am extremely happy for this application.

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Posted · Experimental Cura build for Raspberry Pi 4 now available

BTW, I just discovered that you can actually use Cura remotely on the Pi from another computer using VNC. The display performance doesn't appear to be noticeably worse than when using it locally. You can also run Cura on the Pi using a remote X display (i.e. ssh -X) but the display is very slow doing that.

I haven't tried it but I would think that it would be possible to run Cura on a headless Pi using VNC server.

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Posted · Experimental Cura build for Raspberry Pi 4 now available

Good idea, with an additional VPN server you could build your own Cura Connect and have much more functionality from the start as the official one 🙂 

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