These pieces are part of a Malfunctioning Tea Set: Teapot and Teacup: https://thangs.com/mythangs/file/45980 Creamer and Sugar Bowl: https://thangs.com/mythangs/file/54390 Plate and Saucer: https://thangs.com/mythangs/file/58813

These pieces are derived from the gyroid triply periodic minimal surface. They were designed using nTopology.

See here for video of teapot and teacup in use: https://youtu.be/ijrhm_mlmts