Maverick Model 3D is a triangle-based 3D model editor that supports a variety of geometry manipulation tools, texturing, and skeletal and vertex frame animations. There is a help manual included.
It supports several 3D model formats; Misfit Model 3D .MM3D, Wavefront .OBJ, Milkshape .MS3D, Quake engine formats .MD2 and .MD3, and GameMaker .D3D. There is export-only support for GoldSrc/Source .SMD and Inter-Quake Export .IQE. There is unmaintained support for LightWave 3D Object (lwo), Caligari trueSpace (cob), and AutoCAD (dxf).