knurled rod
thingiverse
Customized version of http://www.thingiverse.com/thing:1182350 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1182350 Instructions Using the following options: top_width = 1 print_resolution = 0.1 close_top = yes circular_hole = yes print_height = 100 outer_diameter = 10 sides = 12 twist_factor = 24 inner_diameter = 0
Download Model from thingiverse
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