Jim ball marker
thingiverse
Customized version of http://www.thingiverse.com/thing:58641 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=58641 Instructions Using the following options: letter_type = plain flip_model_to = 180 spike_height = 5 initials = Jim marker_diameter = 15 letter_height = 12
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