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mercurysys

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    Fail to load on STL file I designed

    in UltiMaker Cura

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    I have an STL file (a simple clevis pin) I created using FreeCAD. It loaded in Cura 4.6.1 and I was able to print it out. I made some adjustments in and exported the design again and now I get this error:
    image.png.aa93647a2bb23709010c5cad017cf728.png

    I opened the CURA.log file and find the following:

    2020-07-06 21:56:30,774 - ERROR - [Thread-3] UM.Logger.logException [106]: Exception: Exception occurred while loading file D:/Clevis 6_25mm.stl
    2020-07-06 21:56:30,779 - ERROR - [Thread-3] UM.Logger.logException [110]: Traceback (most recent call last):
    2020-07-06 21:56:30,783 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "X:\4.6-exe\build\inst\lib\python3.5\site-packages\UM\FileHandler\ReadFileJob.py", line 66, in run
    2020-07-06 21:56:30,787 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "X:\4.6-exe\build\inst\lib\python3.5\site-packages\UM\Mesh\MeshFileHandler.py", line 36, in readerRead
    2020-07-06 21:56:30,791 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "X:\4.6-exe\build\inst\lib\python3.5\site-packages\UM\Mesh\MeshReader.py", line 21, in read
    2020-07-06 21:56:30,796 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "C:\Program Files\Ultimaker Cura 4.6\plugins\FileHandlers\STLReader\STLReader.py", line 89, in _read
    2020-07-06 21:56:30,800 - ERROR - [Thread-3] UM.Logger.logException [110]:     if numpy.amin(verts[:, 1]) == numpy.amax(verts[:, 1]):
    2020-07-06 21:56:30,804 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "numpy\core\fromnumeric.py", line 2442, in amin
    2020-07-06 21:56:30,808 - ERROR - [Thread-3] UM.Logger.logException [110]:   File "numpy\core\fromnumeric.py", line 83, in _wrapreduction
    2020-07-06 21:56:30,812 - ERROR - [Thread-3] UM.Logger.logException [110]: ValueError: zero-size array to reduction operation minimum which has no identity
    2020-07-06 21:56:30,819 - DEBUG - [Thread-3] UM.FileHandler.ReadFileJob.run [71]: Loading file took 0.1 seconds

     

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