aeh5040

Outomorph: the outer automorphism of the symmetric group

Marvellous Mechanical Date Engine (Lego Technic eternal calendar)

LEGO Tower of Hanoi Solver v2

Spinor Linkage

The Pangolin Instructions - setup and adjustment

King Cogra puzzle

Magic Cogra Puzzle

Cogra Puzzle

Pangolin (Pendulum Wave Music Machine) - Explanation

LEGO Pendulum Wave Music Machine 2, aka The Pangolin

LEGO Pendulum Wave Music Machine

LEGO anti-twist mechanism

Spinor Linkage (aka Elephant Trunk)

LEGO Tower of Hanoi robot

Change ringing on chime bells - Grandsire Triples

LEGO Technic Cellular Automaton Machine

Synchro Pods version 2

Synchro Pods - Lego kinetic art

Lego bell ringing machine - plain hunt on eight

Lego Kinetic Art - Slithy Toves

Lego technic "PatDan" coupling

Flying saucers - Lego kinetic sculpture

Lego technic articulated rings

Lego technic Diwheel

Lego technic 16-leg walker

Lego Hobson Coupling

Pen-dragon version 2: lego fractal drawing machine

Lego technic paradoxical gears

Lego technic vibrobot

Lego technic tumbling cubes motorized