box b1 0 0 0 1 1 1
nurbsconvert b1 b1
dset r sqrt(2)
box b2 0 0 0 r 0.25 1
trotate b2 0 0 0 0 0 1 45

bfuse result  b2 b1

checkprops result -s 6.41789
checkview -display result -2d -otherwise {  b2 b1 } -s -path ${imagedir}/${test_image}.png