My Customized rack and pinion

Customized version of http://www.thingiverse.com/thing:1227374

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1227374

Instructions

Using the following options:

circular_pitch = 90

pressure_angle = 28

height = 4

number_of_pinion_teeth = 40

spacing_between_objects = 0