Detecting and Fixing Non Manifold Mesh

elizabeth_wolfe828

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.

Here's a link to the file: https://cad.onshape.com/documents/5165a696027c39fd015a0fc1/w/fd312d79fbf6d8a0a601a024/e/7ffea74e771fe4ef026bc9d4?renderMode=0&uiState=65ff7c02f8aca97e7655e1b6

GWS50

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

_anton

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.

_anton

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.