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stp
3dm, stp
obj, 3dm, stl, skp, stp, igs
max, 3dm, stp
3dm, stl, stp, igs
3dm, stl, stp
obj, 3dm, stp
3ds, 3dm, stp
3dm, stp, igs
obj, 3dm, stl, stp
obj, 3dm, stl, stp, igs, x_t
stp, igs
stp, prt, bip/ksp