Flexi hexagonal coaster

Hello guys, because I love practical things and after a success of my not so practical [Tetrahedron Chainmail Fabric] ( https://cults3d.com/en/3d-model/fashion/tetrahedron-chainmail-fabric-lukes3d) I thought what kind of useful thing can I make it into? [creation tetrahedron-chainmail-fabric-lukes3d] So I came up with this design. I adjusted the chainmail so the gaps are not as huge, flattened the tetrahedrons and made it into hexagonal shape. I also tried to get more contact surfac