What can be done to minimize or eliminate warping when carving a deep 3D, would you start with a thicker piece of stock?

What can be done to minimize or eliminate warping when carving a deep 3D, would you start with a thicker piece of stock?

The answer to this student question can be viewed in the 1/19/2023 Q&A Meetup at the 00:41:11 timestamp(must be logged in to watch).