CrispKit 3D QR code test card Files: crispkit-3d-qr-test-card-1mm.stl, -1_5mm.stl, -2mm.stl, -3mm.stl and the matching .png files. To the extent possible under law, CrispKit has waived all copyright and related or neighboring rights to these files. They are dedicated to the public domain under Creative Commons CC0 1.0 Universal: https://creativecommons.org/publicdomain/zero/1.0/legalcode You may copy, modify, distribute and print them, including for commercial purposes, without asking permission. Attribution is welcome but not required. The files were generated on 2026-10-27 and checked in software (closed mesh; top-down render decodes to https://crispkit.app/3d-qr-code/). They have not been print-tested. QR Code is a registered trademark of DENSO WAVE INCORPORATED.