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max
3ds
max, ma/mb, obj, fbx
sldprt, step
sldprt, igs, step
sldprt
sldprt, sldasm
3dm
3dm, stp
stp
step
obj, 3dm, stl, stp, igs, x_t
c4d
x_t
sldasm
stl
max, obj, fbx
blend
max, fbx
prt