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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

GitHub

seedsigner/docs/seed_qr at dev · SeedSigner/seedsigner

Use an air-gapped Raspberry Pi Zero to sign for Bitcoin transactions! (and do other cool stuff) - SeedSigner/seedsigner

designed by gustavopoa commissioned by 🌠🌌.ws published as public domain, files linked below https://files.catbox.moe/6eaf2n.stl 📦.zip

BLANK 21x21 SEEDQR BITCOIN PRIVATE KEYS FOR SEEDSIGNER, KRUX, SPECTER AND JADE WALLET by 🌠🌌 | Download free STL model | Printables.com