William L Hunter blueprints from 1928.  A woodworking extraordinaire. (Credit imgur)

Square Block wooden Burr puzzle.

The 45 Degree Block puzzle: AKA the Mini Lumberjack.

Orbits Disentanglement

Notsoezy Puzzle - a clever disentanglement puzzle - similar to orbits or the Baguenaudier

A cylindrical Burr puzzle - like the constructus

Oktober 05, 2015 — Sean Allan

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