box bb 100 100 100
plane pl1 98.946735014, 46.491265177, 17.092869659
plane pl2 -1.053264986, 46.491265177, 17.092869659
psphere s1 pl1 7.5
psphere s2 pl2 7.5

bop bb s1
bopcommon result

set square 576.293