pcylinder b1 4 8
pcone b2 6 1 10
ttranslate b2 0 0 -1
trotate b2 0 0 4 1 0 0 90

bop b1 b2
bopcommon result

checkprops result -s 216.563
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png