Customized version of http://www.thingiverse.com/thing:767317

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=767317

Instructions

Using the following options:

bearing_h = 7

bearing_d = 22

cone_h = 20

max_d = 60

min_d = 25

rod_d = 8.1

$fs = 1

$fa = 1