pcylinder b1 1 2
pcylinder b2 1 2
ttranslate b2 0 0 2
trotate b2 0 0 0 0 0 1 180

bop b1 b2
boptuc result

checkprops result -s 18.8496
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png