openscad/testdata/scad/bugs/fn_bug.txt

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Reported by Ian Shumsky:
1) Export STL from fn_bug.scad
- fn_setting = 41 -> triggers bug
- fn_setting = 40 -> works
2) Open fn_bug_import.scad and render using CGAL (F6)
->
CGAL error in CGA_Nef_polyhedron3(): CGAL ERROR: assertion violation!
Expr: pe_prev->is_border() || !internal::Plane_constructor<Plane>::get_plane(pe_prev->facet(),pe_prev->facet()->plane()).is_degenerate()
File: ../libraries/install/include/CGAL/Nef_3/polyhedron_3_to_nef_3.h
Line: 252