box b1 0 0 0 1 1 1
box b2 0 0.15 0 0.8 0.9 1
trotate b2 0 0.25 0 0 0 1 -45

bop b1 b2
bopcommon result

checkprops result -s 4.00937
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png