====== Volumes ======

===== Definition =====


''Volumes'' are sets of ''[[doc:user:geometry:user:peaux|Skins]]''.
The first ''Skin'' is the external one, the other skins are optional holes.

  volume = volumeset.add( Volume(number, [skin1, skin2, skin3, ...]) )

where

| ''number'' | number of the ''Volume'' | 
| ''skin1'', ''skin2'', ''skin3'' | ''[[doc:user:geometry:user:peaux|Skins]]'' which constitute the ''Volume'' |