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stp
3dm, stp
3dm, stp, igs
3ds, 3dm, stp
obj, c4d, 3dm, stp
obj, 3dm, stl, stp, bip/ksp
stp, bip/ksp
stl, stp, igs
fbx, stp, prt
fbx, stp, bip/ksp
stp, prt, bip/ksp
stp, bip/ksp, x_t
fbx, stp
fbx, stp, bip/ksp, x_t
fbx, stp, prt, bip/ksp
stp, prt