1)   Mesh To Solid 3.0
Mesh To Solid is a software to convert a mesh into a solid. Mesh To Solid is designed to be extremely user friendly and easy to understand. Its as easy as opening a mesh file using the Open command and saving it as a solid using the Save As command.

 2)   Mesh To Solid for Rhino 1.0
Mesh To Solid for Rhino is a plug-in for Rhino 2.0 and 3.0. This plug-in gives Rhino to ability to convert a mesh into a solid.