Spool Holder for Ender 3 (Pro)

__(Description in german below // Deutschsprachige Beschreibung folgt unten)__

Update 2022-02-24:
Added a medium version: 7 mm longer than the short one
* Spool Holder 2B medium.3mf
* Spool Holder 2B medium top.3mf
* Spool Holder 2B medium bot.3mf

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Update 2020-01-02:
Added a 15 mm longer version of the holder.

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Update 2019-06-15:
Constructed and uploaded a suitable nut as requested. In addition, a thin washer if the connection becomes too loose over time.

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This is another spool holder for the Creality Ender 3 (Pro) - and my first "creation".

I created it to be compatible with the nut from the original spool holder provided with my printer by Creality as I like their bayonet coupling more then a fine pitch thread.
The lenght of the holder is 7.5 cm, so it should fit 1