.mesh - Medit's mesh file format

.mesh is the file formats of Medit - an interactive 3D mesh viewing program. This file format is described in the documentation of Medit.

Here is an example of using TetGen to read (-p) a surface mesh described in .mesh file format, compute its constrained Delaunay tetrahedralization and output (-g) the CDT in .mesh file format.

tetgen -pg input_file.mesh