pcylinder b1 1 4
pcylinder b2 1 4
trotate b2 0 0 2 1 0 0 90
trotate b2 0 0 2 0 1 0 60
trotate b2 0 0 2 0 0 1 120

bop b1 b2
bopcommon result

checkprops result -s 16
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png