Create 8" square (or with lip 10 1/4" square) dishes easily.
This mold actually has a total size of 10 1/4" square, with the inner slump an 8" square. The inner bottom flat is approximately 4 5/8" square with a depth of 5/8". You can trim the clay to the 8" square, or add a "lip" to your dish and trim at the 10 1/4" square. Allow clay slab to dry in the mold before removing from mold and firing.