https://sites.google.com/view/sizefur-3d-wiki/modellingsurfacing/overhangs-and-you
Sizefur 3d Wiki - Overhangs and you!
Pt. 1: Theory and alternatives
3d wikioverhangs
https://www.uni-weimar.de/kunst-und-gestaltung/wiki/index.php?title=File:3d-import-and-light-source-position.maxpat&oldid=113187
File:3d-import-and-light-source-position.maxpat - Medien Wiki
file 3dlight sourceimportpositionmedien