For 3D sculpting there are lots of specialized apps which make the process reasonably close to actual clay modeling, commercial and free alike. Here is a WebGL-

For 3D sculpting there are lots of specialized apps which make the process reasonably close to actual clay modeling, commercial and free alike. Here is a WebGL-based one made by Stéphane Ginier: https://stephaneginier.com/sculptgl/ https://stephaneginier.com/sculptgl/ A tiny 3D modeling tool that also includes this sculpting technique is Art of Illusion: http://artofillusion.org/ http://artofillusion.org/