reset
create torus major radius 20 minor radius 10 
create pyramid height 40 sides 6 radius 20 top 5 
volume 2 move x 20 
subtract volume 2 from volume 1 
create sphere radius 30 
volume 3 move x -30 
unite volume all 
create sphere radius 20 
volume 4 move x -40 z 20 
imprint volume 1 with volume 4
delete volume 4