#box s1 10 10 10 
#pcylinder s2 3 20 
#trotate s2 0 0 0 1 0 0 90
#ttranslate s2 5 15 5
#cut s s1 s2
#save s L12.draw 

restore L12.draw s
tscale s 0 0 0 SCALE1
explode s e
mkevol result s
updatevol s_5 0 0.5*SCALE1 1 1*SCALE1 2 0.5*SCALE1
buildevol

set square 72604.8