看下這個 [XVEBA4GI
EDGES !! or CURVE Q=mI9
R=5 !! Vertex radius of curvature Z@a9mFI?
K=-1 !! Conic constant VhL{'w7f
H=5 !! Outer aperture height lot%N(mB`
O=0 !! Inner obscuration height 3_Cp%~Gi-_
CONIC X 0, 0 0 -2*R 1 0 K+1, Y (O) (H) !!構建拋物線 <"N_j]wD
SHIFT Y 1 !!偏移 +mj*o(
SWEEP AXIS 360 Z !!旋轉