The bearing illustrated below is made of plastic which has been built up by three-dimensional printing. This includes the balls, which have not been assembled after fabrication of rings, but rather, in situ. The bearing belongs to Tony Glendhill.
Ceramic Chess Piece
This chess piece has been made by sequentially depositing two-dimensional layers. It contains an internal staircase and other features which cannot be made by casting or moulding a three dimensional object.
