This command creates a solid model in .MDL file format from
other solid formats including .STL, STLA, .OBJ, .DXF, .SKP
(SketchUp) and .TIN (Carlson Triangulation).
Input File To Read Pick the file to import
Solid File To Write Enter MDL file to output
Pulldown Menu Location: Solid> Solid Utilities
Keyboard Command: import2mdl
Prerequisite: file to import