Some defects after extrude
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Re: Some defects after extrude
Did you try the Blender FreeCAD addon?
Direct import in Blender of a FreeCAD model.
https://github.com/s-light/io_import_fcstd
Direct import in Blender of a FreeCAD model.
https://github.com/s-light/io_import_fcstd
Star Trek II: The Wrath of Khan: Spock: "...His pattern indicates two-dimensional thinking."
Re: Some defects after extrude
No I don't have the plugin at this time, I should try it thank you
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Re: Some defects after extrude
Go to Curves workbench. Select the Path in the tree. Create JoinCurve. Select the JoinCurve, create DiscretizedEdge. Set the number of points to 300 (or you can experiment here). Select the DiscretizedEdge and create InterpolationCurve. Set InterpolationCurve property Periodic to True (so it is closed wire). In Part workbench, select InterpolationCurve and use Extrude tool.
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Re: Some defects after extrude
Did you try to simplify the SVG (Inkscape provides such function)?
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Re: Some defects after extrude
Install Curves workbench from the Addon Manager in Tools menu.
Re: Some defects after extrude
Please use the mesh workbench for creating meshes. There you can use different meshers. I use the internal - usually good results and fast.
And you have control over the quality (deviation, angular deflection) of the resulting mesh.
And follow the suggestion of markster The resultion mesh shows better quality where the curvature is low. The screenshot shows both meshes with flat shading.
Regards
Re: Some defects after extrude
Which mesher did you use? Did you look at it in wireframe mode?
Standard with default parameters looks weird: Mefisto with default parameters kills FreeCAD.
Netgen with default parameters kills FreeCAD.
gmsh fails to start, probably a Mac issue.
OS: macOS 10.16
Word size of FreeCAD: 64-bit
Version: 0.20.25645 (Git)
Build type: Release
Branch: master
Hash: 37d9757399b4c2ec30318eb88d7cd7c508246345
Python version: 3.9.7
Qt version: 5.12.9
Coin version: 4.0.0
OCC version: 7.5.2
Locale: C/Default (C)
A Sketcher Lecture with in-depth information is available in English, auf Deutsch, en français, en español.
Re: Some defects after extrude
As mentioned in my post I use the internal (aka Standard) mesher of occ. And yes, I saw the artefacts. The bottom piece shows the wrinkled surface.
I suspect that the mesh algorithm ran there in trouble in case the wire has only a very low curvature. Could be that then the allowed deviation leaves more "free room" to compute vertices. Or the import of the svg creates a wire which has a volatile gradient.
But to be honest to evaluate that is above my head.
Regards