Monolith - Voxel-based modeling engine

[Ralf]

Monolith is a voxel-based modeling engine for multimaterial 3D printing:
http://www.monolith.zone/features#introduction

Monolith is free of charge.

Some videos:
http://www.monolith.zone/gallery/#videos

PDF User Guide:
http://www.monolith.zone/documentation/