Just another filament holder

I used these pulleys: https://www.aliexpress.com/item/1-PC-3D-Printer-Parts-Aluminum-Alloy-2GT-20-Teeth-Perlin-Passive-Idler-Timing-Pulley-3mm/32671018751.html

Here is a nice video of how smooth it rolls: https://i.imgur.com/xbl6QBo.gifv