Spool Roller for Prusa Mendel

by tosjduenfs, published

Spool Roller for Prusa Mendel by tosjduenfs Nov 9, 2012
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Simple snap on spool roller for Prusa Mendel.


The vitamins you'll need are 4 608zz bearings, 4 M3x20 screws and nuts or 4-40 x0.75" screws and nuts.

Print two spool rollers and four bearing washers. Assemble as shown in the picture.

The parts were made in SolidWorks and repaired in Netfabb to ensure they are perfectly manifold

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The way you did it is fine with me. Good idea for the extruder mount.

Hi, I modified this to use as a mini extruder mount here: http://www.thingiverse.com/thing:183309http://www.thingiverse.com/thi... but I am unsure how to 'credit' or link it correctly.

Mendel Mini Extruder angled mount

Works great! The design is sized just right, the 608 bearings fit snugly over the posts without rework and my spool is now rolling on it's own! I do need to print a filament holding arm next, as the filament rubs against my top frame rods when the Z axis is near the top (I added a sliced open straw to the threaded rod to make it slide around.)