OG Round 11"The OG Round 11" Form is the perfect dinner plate size, and also makes for great wall clocks! WA2 Compatible Works with any of our Rim Templates sized 11. 5" or greater Stackable with the OG Round 12. 5" Form, the OG Round 9. 5" Form, and the RD2 Round 9. 5" Form Clay should be left on the OG forms until stiff, leather hard. Each OG Form has a 45 degree angle edge, and 3 4" depth. All Forms are measured in inches.