看下這個 (
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EDGES !! or CURVE [RqL0EP
R=5 !! Vertex radius of curvature e=yQFzQT)
K=-1 !! Conic constant c[h{C!d1
H=5 !! Outer aperture height B_u1FWc
O=0 !! Inner obscuration height R}S@u@mOE
CONIC X 0, 0 0 -2*R 1 0 K+1, Y (O) (H) !!構建拋物線 Rb8wq.LqD
SHIFT Y 1 !!偏移 <EHgPlQn
SWEEP AXIS 360 Z !!旋轉