Reply to fartparty27's comment Girl, you have to account for shrinkage. If it fits perfectly as green ware it's not going to fit after it's fired. Use a shrinkage ruler (easy to find and print online).

The video addresses a common problem in pottery (shrinkage) and offers a practical solution (making a shrinkage ruler), which resonates with creators in the same niche.

The video shows a person using a ruler and a craft knife to create markings on a piece of clay, presumably to make a shrinkage ruler. The on-screen text and a comment highlight the importance of accounting for shrinkage in pottery.