Rewindr - Setup for CORE One

Mounting parts of the Rewindr specific for the CORE One printer setup.
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updated August 10, 2025

Description

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The Rewindr is a premium rewindable spool holder for the MMU3/MMU2. It's compact and easy to use, opposed to the official clunky setup for the MMU. Compatible with the Prusa MK4, MK3, CORE One, Original Prusa Enclosure and more

This model provides the parts & assembly for mounting the Rewindr specific for the Prusa CORE One. It does not not contain the actual spool holders. 

→ You can purchase the Rewindr on LGB-Engineering.com

Setup for CORE One

The Rewindr sits on top of the CORE One, directly next to the MMU3. This means that the filament path is extremely short, making loading a breeze. The Rewindr snaps onto special brackets, which allow ample airflow to pass under the spool-holders. The MMU3 clicks onto a special mount at the back, making removal/maintenance a breeze. 

You don't need any special Prusa parts to install the MMU3 to the CORE One. You just need to drill a small 14 mm hole in the top panel for the bowden tube. This is explained in detail on LGB-Engineering.com, among all other steps in the assembly. 

 

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