Auto-Rewind spool holder v2 - for Prusa mk3
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Updated version of autorewind spool holder, positioned more to the back to address problems when printing tall models.
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Spool position is moved more to the back of the printer to address possible problems when printing tall models. Also redesigned spacer to be more rigid.
Disclaimer: I was testing this version for almost ¾ of a year, without any further modification. Therefore I can't guarantee compatibility of long cylinder/roller with new clutch by original author.
1kg spool version (short spacer) needs cylinder/roller, inner coils and rods from original model(Auto-rewinder for RepRack by Jerrari).
2,5kg spool model (long spacer) need only inner coils from original model(print additional two per cylinder/roller). Cylinder/roller and extended rod are reused from v1 for Prusa.
Connecting spool holder to the spacer is done by M3x14 and M3 nut (I used Nyloc nut, but should be fine with normal one).
Spool holder have integrated filament storage hole to keep it safe when not in use (I would still recommend lifting the spool to release rewinder tension just in case).