ABSOLETE USE SOURCEIO https://github.com/REDxEYE/SourceIO

io_mesh_SourceMDL 2.79

Import-Export > SourceEngine MDL I'm not good with descriptions, so i tell you what addon can do and what it cannot do +meshes
+skeleton
+flexes
+attachments
+normals (smothing groups)

-animations
-playermodels (output - very messedup models)