Automesher

Automesher is an application that extends AutoCAD, BricsCAD and ZWCAD with functionality to import and export 3D file formats and convert 3D drawing entities.

It supports many of 3D file extensions, including STL, OBJ, 3DS, IV (Inventor File), SAT, PLY, VRML, 3DM, SKP, STEP, IGES, BREP and allows to convert drawing meshes (polyface or polygon mesh) into 3D solid objects.