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fbx
max
stl
ztl
ma/mb, fbx
obj, c4d
c4d
obj, stl, fbx, blend
step
ma/mb
sldprt
max, c4d, sldprt
3ds
max, ma/mb, obj, fbx, blend
obj
stp
3dm
max, ma/mb, ztl, skp
igs
sldprt, step