ellipse w 0 0 0 10 5 mkedge w w wire w w mkplane w w prism s w 2 0 10 tscale s 0 0 0 SCALE1 explode s E mkevol result s updatevol s_3 0 1*SCALE1 1 2*SCALE1 2 1*SCALE1 buildevol set square 78053.9