看下這個 -8kW!F
EDGES !! or CURVE x 3co?
R=5 !! Vertex radius of curvature o?hw2-mH
K=-1 !! Conic constant G.E~&{5xQ
H=5 !! Outer aperture height nz?BLO=
O=0 !! Inner obscuration height cz~11j#
CONIC X 0, 0 0 -2*R 1 0 K+1, Y (O) (H) !!構建拋物線 wU3ica&[
SHIFT Y 1 !!偏移 Zu73x#pI
SWEEP AXIS 360 Z !!旋轉