pcone b1 8 4 8
pcone b2 4 8 4
ttranslate b2 0 0 -4
trotate b2 0 0 -4 0 0 1 180

bop b1 b2
boptuc result

checkprops result -s 464.586
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png
