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Opening onshape stl file in open3d

manali_badwe576manali_badwe576 Member Posts: 2 EDU

Hi, I am a beginner in both onshape and open3d. I have this cad file I created which I have linked below and i am trying to export it as a binary stl with fine resolution in order to open it in open3d to convert it into a point cloud. However, when i load this file in open3d, I keep getting an error saying that I have 0 triangles and the file was unable to be loaded with ASSIMP. I was wondering if anyone knows what these errors mean and how I could go about fixing them? Thank you so much!

https://cad.onshape.com/documents/8aaded1247b6bc4d3e21677b/w/8b1d9a78e4e5030cce06cf2b/e/a142db3a9b8adb78848ae8b6?renderMode=0&uiState=677c0827b7da843a5774e5f0

Comments

  • Paul_J_PremakumarPaul_J_Premakumar Member, Onshape Employees Posts: 221

    Hi @manali_badwe576 ,

    I tried the STL with this https://www.viewstl.com/ and the STL loads correctly. This suggests the file itself is ok. The issue is likely on the open3d side. A few debugging tips

    1. Can you simplify (maybe 1 cube or a sphere) the model and see if it works?
    2. Try the Text format instead of STL.
    3. Try a different format that open3d supports.

  • manali_badwe576manali_badwe576 Member Posts: 2 EDU
    edited January 7

    Hi, @Paul_J_Premakumar, I have tried do all of these debugging tips, but I am still left with the following error messages:

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