This is a version of the polyoptic bangle with a handsome split to fit over larger hands. The central hole is 65mm round, but can open up to about...

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This is a curled ring, hollow all the way through, to be worn most jauntily on any finger!

65mm hole to put your hand through, very light, entirely hollow! Many eyes!Now available in a few different flavours, including in a split cuff fo...

An interesting and beautiful flowerbud ring with an open centre and suspended inner petals. This model is 17.5mm diameter, but may easily be made t...

A simple and elegant ring for men or women.This is 4.5mm thick and it's inside face is fully round and semi-circular. For this reason, it stands o...

4.2 cubic centimeters of glorious hollow stainless steel, shot through with a beautiful radiating pattern of holes (the "eyes"). Great in gold pla...

Simple and handsome squared ring. This model is 3.5mm wide and the inside face has rounded edges, but is mostly flat, so fits more closely to the ...

Voluminous ring for making a statement. A wide band for comfort and stability. Totally smooth edges, cavernous interior.

Round banded design

 This is a pair of sprockets for making a polargraph drawing machine.  These are gears designed to drive 12mm pitch beaded cord - like fr...