The one on the left weighs 176 grams. The right one is thrown and weighs 376 grams. Of course the body needs to vitrify well to be strong enough to produce a durable product. But not vitrify so much that the weight of the handle pulls the rim to a oval shape during firing.
These four sections were glued together to make a larger one. Now it is possible to quickly precision-cut the shape for making my pie-crust mugs. Later I re-printed these templates on a better 3D printer so the inner vertex holes cut out much better.
The term vitrified refers to the fired state of a piece of porcelain or stoneware. Vitrified ware has been fired high enough to make it very strong, hard and dense.
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