Filters
Six Congruent Pieces - Allen Rolfs

Assembly

Designer: Allen Rolfs
Maker: Allen Rolfs

The forgotten Coffin - Stewart Coffin

Interlocking / Wood

Designer: Stewart Coffin
Maker: Allen Rolfs

Diagonal Cube - Stewart Coffin

Interlocking / Wood

Designer: Stewart Coffin
Maker: Allen Rolfs

Old Anchor Puzzle - unknown

Disentanglement

Designer: unknown
Maker: Allen Rolfs

Congruent Octacubes - Mike Reid

Assembly / Wood

Designer: Mike Reid
Maker: Allen Rolfs

Burr Circus - Stewart Coffin

Assembly / Wood

Designer: Stewart Coffin
Maker: Allen Rolfs