...
subtract - In order to make the tank hollow, the inner box must be subtracted from the outer box
subtract <-- subtractD(p2,tankorigin)
p2=
- x : tank.origin0 + thick
- y : tank.origin1 - thick
- z : tank.origin2 - thick
tankorigin : tankorigin
...
subtract - In order to make the tank hollow, the inner box must be subtracted from the outer box
subtract <-- subtractD(p2,tankorigin)
p2=
tankorigin : tankorigin