Thanks for even more terrific ideas to consider, which I will. Plan to spend the afternoon making bowls for testing out suggested centering, trimming and drying methods. I’ve also realized that I did not have this problem during warmer months when my studio is open to the outside and the heater is off.
Question for Mea: when you drape your pieces with fabric, what type of ware board or surface are they on? Are they turned over on their rims?