看下這個 (L7@ez
EDGES !! or CURVE ums*EKjs97
R=5 !! Vertex radius of curvature IL2OVL X
K=-1 !! Conic constant !w-`:d?
H=5 !! Outer aperture height p:9^46N@
O=0 !! Inner obscuration height +p#Q|o'
CONIC X 0, 0 0 -2*R 1 0 K+1, Y (O) (H) !!構建拋物線 ,.T k"\@
SHIFT Y 1 !!偏移 cl3Dwrf?
SWEEP AXIS 360 Z !!旋轉