Filament Spool Straps

These can be used to swap out rolls of refill filament with a refill spool such as this one I designed. I saw others that used multiple parts, but had a better idea for one piece, using the filament to lock itself in place! Want to see how it works? Watch this guide! Notes:Print in TPUWhen putting on, pull it snugCautions:Be careful not to create a tangle in the spoolBe careful that the spool doesn't unravel