structure opened this issue on Jun 27, 2019 ยท 94 posts
adp001 posted Sat, 16 May 2020 at 9:13 AM
Polys can have 3 or 4 vertices (TRI or QUAD). Numpy arrays must have a constant length. So it is common behaviour to set the 4th entry for a TRI equal to the third entry (isTri == (p[3] == p[4]) )