[Therion] Cubic meters as a new parameter in caves documentation

Hi! I’m trying to apply new parameter in caves documentation in Austrian Tennengebirge Ost and Polish Tatra Mountains. It could occur how big actually is a cave system and could help in a few scientific investigations as a cracks and hiatuses in limestone massif. Is there any possibility to read off cubic capacity in m3 from model 3D? Best regards Piotr Szukała Poland