Yes, I know this is glass, but love the shapes. Belgian designer Anna Torfs produces glass objects made by hand since The vessels are characterized by a delicate interplay of different colors and transparencies.
I want one of these SO BAD! EcoSphere - inside these sealed glass balls live shrimp, algae, and bacteria, all swimming around in filtered seawater. Put it somewhere with some light and they will self-sustain for years, no feeding or cleaning necessary.