AutoLisp source code for the intersection of 2 3DFACE and contour lines

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Health & Science Education autolisp source code autocad plugins autocad 3d autocad add ons source code for sale 3dface intersecting computational geometry 3d geometry

It is an AutoLisp function for the intersection of 2 triangular 3DFACE entities.
You also have 2 test programs that use the intersection function. With one program you can select and intersect 2 3DFACEs, and with the other you can generate the contour lines with a constant step, on the 3DFACE entities in the current DWG.
Can be used in AutoCAD or programs based on IntelliCAD (such as BricsCAD, ProgeCAD, ActCAD, ZWCAD, etc.).
https://rcad.eu/autolisp_source/

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