Filament Spool Hub with 608ZZ bearing and 57mm hole diameter
thingiverse
This customized version of http://www.thingiverse.com/thing:605360 is Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=605360 . This spool hub can be used for standard RigidBot spools, but you should first check the diameter because they may vary from one spool to another. Instructions: You will need a suitable 608ZZ bearing: http://www.aliexpress.com/w/wholesale-608zz-bearing.html . To make it work you should use the following settings: spool_wall_thickness = 9 spool_hole_diam = 57
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