pcylinder b1 4 8 psphere b2 2 ttranslate b2 0 0 8 trotate b2 0 0 8 1 0 0 90 trotate b2 0 0 8 0 1 0 180 bop b1 b2 bopcommon result checkprops result -s 37.6989 checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png