[OpenSCAD] avoiding assertion violation

arnholm at arnholm.org arnholm at arnholm.org
Wed Jul 17 08:52:33 EDT 2019

On 2019-07-17 14:04, nop head wrote:
> I think rotate extrude does its work in PolySets which, just like STL,
> is a polygon soup and cannot represent a 2 manifold with self
> intersections.

If so, that is a truism. In a polygon soup by definition you have only 
1-manifold edges.

> Then when that is given to CGAL it barfs.

It didn't in the case I showed.

Carsten Arnholm

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