https://vid.northbound.online/videos/watch/6a9d4be6-a071-4f98-9822-be15bc7acd8a This video demonstrates stamping a 12‑word seed from a SeedSigner device (encoded in the compact SeedQR format) into a steel plate using 3D‑printed “punch cards.” A 21×21 QR board, with holes sized for a standard center punch, happens to be a perfect fit for a regular CD case — which influenced the design and inspired a small “secret room” inside the case for storage. Design files: https://github.com/oaken-grove/seedsigner-seedqr-guides. More information about the SeedSigner project: https://github.com/SeedSigner/seedsigner. Mon, 11 May 2026 15:04:35 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://vid.northbound.online https://vid.northbound.online/lazy-static/avatars/ae283972-d425-4ec8-a6ce-783f0e9c3931.png https://vid.northbound.online/videos/watch/6a9d4be6-a071-4f98-9822-be15bc7acd8a All rights reserved, unless otherwise specified in the terms specified at https://vid.northbound.online/about and potential licenses granted by each content's rightholder.