He’s made a sandwich of plywood with the key mechanisms formed in a spiral cut on the top layer. He’s a little sketchy on the exact details of the next layer, but underneath appears to be a ...

Spiral pattern similar to carved stones in the Boyne Valley, IrelandThe Westray Stone is a wonderful carving from a Stone Age tomb. The complex pattern of spirals is believed to have been cut more ...

Spiral ring with spherical stone - Simple jewelry from copper wire This ring pattern can use any size of stone you have ( ...