Bambu Spool Lock

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Bambu Spool Lock

This is a simple but super effective lock that slides into the center of your spool and prevents it from cracking. Reusable spools (especially the Bambu ones) can get weak over time, so I designed this to stop breaks before they happen. One tiny print can literally save an entire roll of filament!

 

FEATURES:

• AMS / AMS Lite friendly — works perfectly with both
• Super strong design despite being lightweight
• Uses only ~1 gram of filament
• 5-minute print on most machines
• Easy to install and remove
• Keeps your spool from flexing and splitting

 

ASSEMBLY:

Just slide the lock into the center of your spool, exactly like shown in the demo video. No tools. No hardware. It just fits and works.

 

PRINTING INSTRUCTIONS:

• Use 0.28 mm layer height for extra strength
• PETG recommended for the best durability
• PLA also works fine if that’s what you have
• No supports needed