[OpenSCAD] STL without render?

Ronaldo rcmpersiano at gmail.com
Fri Jun 3 08:59:07 EDT 2016


nophead wrote
> I don't think B-rep is the problem. It is the fact that CGAL appears to do
> nothing to short cut unions. I.e. it doesn't check for completely disjoint
> objects and it doesn't seem to look for facets with no intersections and
> pass those straight through. The only real work union needs to do is on
> the
> facets where the objects overlap.

Bounding boxes could alleviate the problem. But bounding boxes grow after
each rotation for instance. It is good for simple cases.



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