Teeth numbers of two small gears Z1 = Z2 = 20
Teeth number of the large gear Z0 = 40
Gear module m = 2 mm
Length of the pink crank a = 150 mm
Length of the green connecting rod b = 220 mm
The output blue gear irregularly continuously rotates slower than the pink crank in the same direction. 2 revolutions of the pink crank corresponds 1 revolution of the output blue gear.