berenguer on Nostr: Blank 21x21 Compact SeedQR Bitcoin mnemonic seed phrase, make your own QR code by ...

Blank 21x21 Compact SeedQR

Bitcoin mnemonic seed phrase, make your own QR code by painting the grids with a permanent marker

Printed with a single color 3D printer using black and white 72D TPU from CC3D, switching filaments once the print gets to the corner square layers

https://github.com/SeedSigner/seedsigner/tree/dev/docs/seed_qr

designed by gustavopoa
commissioned by 🌠🌌.ws
published as public domain, files linked below



https://files.catbox.moe/6eaf2n.stl
https://files.catbox.moe/klnv3x.zip
https://www.printables.com/model/1165469-blank-21x21-qr-code-bitcoin-private-key-for-seedsi