Wrench3 - Ender 3 Satsana Hotend Coupler Tool
thingiverse
Little wrench to assist in removing / tightening the stock ender 3 coupler with the Satsana fan duct. Obviously PLA can't fully tighten or break the coupler loose, but I found a metal wrench didn't give very much room to work with so I use this to unscrew the coupler after breaking it and to get the new coupler snug.
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