[OpenSCAD] simple test case: CGAL error in CGA_Nef_polyhedron3(): CGAL ERROR: assertion violation

Michael Brown mebrown at michaels-house.net
Mon Oct 31 15:36:08 CET 2011


Ok, thanks for the tips. Awfully inconvenient, though. :/  I neglected to
google before sending.
--
Michael

On Mon, Oct 31, 2011 at 5:56 AM, Marius Kintel <marius at kintel.net> wrote:

> Update:
>
> It also asserts in RapCAD, so my diagnostic must be wrong.
> The next guess is that this is exported from SketchUp and it's not
> actually a closed volume.
> OpenSCAD requires imported models to be closed, manifold meshes.
>
> Perhaps a mesh repair tool (meshlab, netfabb) would help?
> Getting the original SketchUp model and looking for issues in it might
> also help.
>
>  -Marius
>
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