93
Started putting QR Codes on my filament so I know how old it is and what brand / color
(discuss.tchncs.de)
this post was submitted on 08 Aug 2023
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Not OP but for sticking you can probably get square labels from Avery, or be lazy and print on printer paper and use packing tape to adhere.
Yes, I use Avery Labels. Still looking for an alternative because I would like to have smaller ones so I can stick them to very small stuff but the smallest square label I have found so far is 20x20mm