主权项 |
1. An elastic mold of unitary construction, comprising:
one or more walls and a base forming a compartment to contain a liquid, wherein within said compartment a plurality of protrusions extend upwards from an upper surface of said base, and said plurality of protrusions are spaced apart from said one or more walls, and said plurality of protrusions are spaced apart from each other, wherein said liquid can flow between said plurality of protrusions and said one or more walls, and said liquid can flow between adjacent protrusions. |