With Filestar you get 28 different skills for working productively with 3D Design Plus Model (.mdl) files.
About .Mdl
Name
3D Design Plus Model
Extension
.mdl
Category
3D
Developer
Autodesk
Description
The MDL file type is used by 3D Design Plus, a 3D modeling and animation program. It contains 3D objects and scenes created with the software, which can be used for a variety of purposes, including 3D printing, animation, and multimedia projects.