Bill Cutler

10 Irregular Heptiamonds
139 Burr
18 Piece II
314 + 1 Burr Set
4-Play
66 Piece Cube Puzzle
Arrow-Blocked Slide Block
Bermuda Hexagon
Bill Cutler's Bin Cross
Bill's Ball-Buster
Bill's Checkerbox
Binary Burr
Blockhead
Blockhead
Capsule Construction
Cell Block
Crooked Box 2
Cubie Burr 1