MZ_Mechanics.gif

#10

papercraftgearjunkmail.jpg

How-To: Working gears from junk mail

#9

Gear ring is shiny, spins

#8

Trigears

TriGears – 3D printed puzzle co-created by BitTorrent inventor

#7

gear_template_generator.jpg

Gear template generator

#6

gearMaking.jpg

Round-up of gear-making books

#5

planetary-gear-bike.jpg

Planetary Gear Old-Fashioned Bicycle

#4

Mind-bending helical ellipitical wooden gear train

#3

Planetary gear motorcycle wheel

#2

Gear heart

#1

Non-circular gears in motion