Flexible Cardboard Spool Rim Saver

It will fit a Prusa Mini in a single piece! It will save your cardboard spools edges to become dull or dented. Amazing!
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updated March 28, 2023

Description

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As a proud owner of a Prusa Mini+, I was dissatisfied with the existing solutions for printing a Cardboard Spool Rim Saver. Most of the designs I found were just plain rings that required glue and had to be cut to fit my 180mmx180mm bed. I didn't see much innovation in the countless models I came across.

To address these issues, I set some rules for myself: 

  • No glue, one single piece
  • Rings had to stay on the spool
  • For beds smaller than a spool diameter

After some experimentation, I came up with a solution that I am proud of. My design uses bridges to create small lips that can grip onto the spool, making them easy to print.

If you print them in PETG, they will be both sturdy and flexible.

I haven't tested this with PLA, anyone wants to try?

If you liked the model, please post a "make" to show your support!

 

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