Casting Module in Creo Parametric 7.0.0.0 

This is probably the best video on sand casting mold modeling techniques. Bravo!

How to get rocker model

I enjoyed the learning . But From the beginner point of view make it little fast and if possible mention the command name.

I am a student and it was quite difficult after cores, the whole model is grey and I can't do anything about it nothing is clickable