> Does anyone know if libraries or programs exist that can model light rays in 3D for objects without circular base, for instance for modelling head lamps on ca

> Does anyone know if libraries or programs exist that can model light rays in 3D for objects without circular base, for instance for modelling head lamps on cars and such? I guess there are already such addons for Blender app, but I'm not sure what exactly you need, so it would be better to ask such question in Blender Community places[0]. Take a look on those two.[1,2] [0] https://www.blender.org/community/ https://www.blender.org/community/ [1] https://github.com/CodeFHD/OptiCore https://github.com/CodeFHD/OptiCore [2] https://github.com/TobiasNils/Ray-Optics-Analyzer https://github.com/TobiasNils/Ray-Optics-Analyzer