These small molds are called, "Press-Molds" because we press clay into them repeatedly to produce multiple casts from the mold.
Evaluation:
1 point -- No larger than 2X2X1 inch tall
3 point -- No undercuts
3 points -- 3 casts made
3 points -- Minimal bubbles and distortion
10 points total
Heart mold below by Ruby H.
Royal Ghost mold below by Samantha R.
These small pieces can be added, as decoration, to clay cups and bowls like below:
In the piece below there are alot of undercuts but the image could inspire a great press mold.