#pcylinder s1 5 15
#pcylinder s2 4 6 90
#trotate s2 0 0 0 1 0 0 90
#ttranslate s2 -2 -2 5
#ttranslate s1 s2 5 5 0
#fuse s s1 s2
#save s G5678.draw 

restore [locate_data_file G5678.draw] s
tscale s 0 0 0 SCALE1
explode s e
mkevol result s
updatevol s_6 0 0.5*SCALE1 1 1*SCALE1 2 0.5*SCALE1
buildevol

set square 67290.4