A.sphere(球體) B.cylinder(圓柱體) C.box(方體) D.oiltank(油桶)
A.corner(角點(diǎn)) B.bezier(貝塞爾點(diǎn)) C.beziercorner(貝塞爾角點(diǎn)) D.smooth(光滑點(diǎn))
A.680 B.720 C.900 D.760