Parametric Filament Master Spool by rstcologne 3d model
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Parametric Filament Master Spool by rstcologne

Parametric Filament Master Spool by rstcologne

by Thingiverse
Last crawled date: 3 years, 5 months ago
This is a lightweight parametric master spool design. The spool in the picture comes in at around 40g of plastic so it can be printed from left overs.
I designed this for spool-holders based on M8 rods like my own design:https://www.thingiverse.com/thing:4605888
However the inner hole can be scaled as well (within reason).
The design can be modified to your needs with a spreadsheet in FreeCAD, parameters include:
the outer diameter of the wheels
the inner diameter of the refill
the inner diameter of the master-spool (default for 8mm rods)
the width of the refill
the width of the wheels
Print time for a complete spool is around 2 hours so way quicker than some of the more bulky master-spool designs.
Print two wheels and 4 spacers and click together. The straight side of the spacers should face outwards.

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