box b1 0 0 0 1 1 1
dset a30 atan2(1,2)*180/pi
dset r sqrt(5)
box b2 0 0.5 0 2/r 1.25 1
trotate b2 0 0.5 0 0 0 1 a30-90

bop b1 b2
boptuc result

set square 5.22287