ellipse w1 0 0 0 15 10 mkedge w1 w1 0 pi polyline w2 -15 0 0 0 -5 0 15 0 0 wire w w1 w2 mkplane w w prism s w 2 0 10 tscale s 0 0 0 SCALE1 explode s E mkevol result s updatevol s_1 0 1*SCALE1 1 2*SCALE1 2 1*SCALE1 buildevol set square 133326