Skin 0 is the normal skin, and skin 1 is the colorable skin.
There's different versions for SFM and Gmod because the glass materials don't render correctly.
Model/Textures - Nein-Skill
Added GMOD Version
Phong now works on glass (thanks to PercyTechnic)
Everyone may use/edit/decompile this model however they want.
I used Noesis to export the materials to JPG, the mesh to OBJ. Its materials all had blank texture calls. I used 'find' in Wordpad to locate g for the groups, changed the rdmobj00~~06 usemtl "" to usemtl knob, glass, rim, frame, seal and endplates respectively. Loaded OBJ into 3DOC, allocated textures, re-saved as OBJ+MTL...
ps: scaled up, would make a nice 'SciFi Pod'...