Note：the drawing does not represent the real object, just show the parameters of the gear 

Object, M0.3 12/36 teeth plastic double tooth gear, sliding fit 1.0mm shaft, weight 0.14g 

36T thickness 1mm

All thickness 3.3mm，the boss 0.5mm

Weight 0.14g

Bore 1.05mm, so sliding fit 1.0mm shaft