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Study O Portable, UK-based Bernadette Deddens and Testuo Mukai, produced two awesome, edible-looking pieces of jewelry for Food Marketo, a collaboration between Design Marketo and Appartamento Magazine.

Baum, pictured top, is produced in a similar way to a Baumkuchen (or German Tree Cake). Layers of coloured ceramic resin are applied onto a rotating spit over a period of several hours. The "trunk" is then cut into slices to form bangles.

Ananas comes from a "fascination for huge American roadside sculptures, such as giant donuts and dinosaurs" and an investigation into "the relationship between a tool of production and the resulting object." A third bangle is made with the first two, which serve as oversized knurling tools that create a pattern of a scaled-up pineapple skin. Here, the tools and the pieces produced with them can all be worn as jewelry.

More photos follow.