Creo guru's, I need some help

[U.S. Patriot]

I created some patent models for a gentleman. The individual doing the patent work needs a model of the internal volume. I have searched online on how to do so, with no luck. I'm using Creo 3.0. Any help would be much appreciated.

 

[hoosierdoc]

No idea on what creo is, is it something like this?

PTC Creo - Tips & Tricks: How to Calculate the Inside Volume of a Tank or Bottle with PTC Creo

https://m.youtube.com/watch?v=dW7csIeh7c0