Intersect 2 3DFACE AutoLisp source

It is an AutoLisp function for the intersection of 2 triangular 3DFACE entities.

Function call (setq ls (sitt p1 p2 p3 p4 p5 p6))

• p1 p2 p3 are the 3D points of the first triangle,
• p4 p5 p6 are the points of triangle 2.
• ls is (list pint1 pint2), i.e. the list of 2 points that define the intersection segment inside the triangles.

You also have a small test program and a test DWG.

You are licensed to use this "Intersect 2 3DFACE AutoLisp source", for drawing or to include it in your programs.