Bambu Spool - 2020 Adapter

This is an adapter to allow you to attach Bambu Spools to 2020 Aluminum extrusion. It uses 5mm Steel balls to allow for smooth rotation. I designed this to be used with: https://makerworld.com/en/models/42361-spool-organizer-for-bambu-lab#profileId-43151 but it could likely be used for other applications, such as turning the spools into wheels or something else cool like that. AssemblyStep 1: Insert Steel Balls locate the small notch in the ball channel and insert as many 5mm steel balls as you want. The more you add, the smoother the rotation will be. You can add up to 50. I have found that adding just over half of the channel results in smooth spinning. Step 2: Attach to 2020If this is not the first spool adapter on this 2020, the bottom of it will serve as a break to slow down the spin of the spool below it. Adjust how tightly it's pressing on the spool below to adjust the spin of that spool. Step 3: Attach to surface (optional)If this