Universal spool adapter
thingiverse
Universal adapter for spools ranging from 30 to 60 millimeters in diameter. The spool holder axis measures 20 millimeters in diameter. This assembly is designed to be screwless and glue-free. You can find a video demonstrating its use at https://youtu.be/kFAY1iecKs8. Free downloads of versions for different spool holder axes, including Ø8, Ø10, Ø12, Ø14, Ø16, and Ø18 millimeters, are available on www.genapart.com.
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