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Detecting and Fixing Non Manifold Mesh

elizabeth_wolfe828elizabeth_wolfe828 Member Posts: 9
Hi! I'm working on some custom wheels (specifically TPU rims) for my robot. I've never run into this issue when slicing in Cura before, but a friend says it's non-manifold mesh. I don't see any problem geometry after inspecting. I've tried removing each feature in Onshape one by one and re-slicing in an attempt to isolate the problem, but am still coming up with the same issue.



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    GWS50GWS50 Member Posts: 379 PRO
    It my be something to do with the Cura settings. I tried it in Simplify3D and Prusa slicer, both seemed to generate the gcode without any problems


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    _anton_anton Member, Onshape Employees Posts: 273
    Agreed - Cura is slicing it fine for me. This feels like a slicer issue; it shouldn't look the way it does. A few factors to twiddle: mesh resolution and format on export, part rotation or translation, slicer settings (including support).

    You could share your exported STL; maybe it really is a bad export.
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    _anton_anton Member, Onshape Employees Posts: 273
    Separately, I'd recommend making the wheel in a way that doesn't need support, i.e., such that it lays flat on the build plate. Else, one side will be very ugly b/c of the removed support.
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