parabola w1 0 0 0 1 0 0 0 0 1 50 mkedge w1 w1 -100 100 polyline w2 0 -100 50 0 100 50 wire w w1 w2 mkplane w w prism s w 20 0 100 tscale s 0 0 0 SCALE1 explode s E blend result s 1*SCALE1 s_2 1*SCALE1 s_6 set square 4.89518e+06