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 1.25 1/r 1 trotate b2 0 0.5 0 0 0 1 a30 bop b1 b2 bopcommon result set square 3.11803