Mass QR Sheet
Fill a grid with links, print one page, pin it to the board. Every code comes out the same size, on whatever paper your printer is set to.
Sheet
mm
mm
Codes
Four modules is the spec minimum. Below that, many scanners refuse to lock on.
Ink
Paper size, orientation and margins come from your print dialog. The preview is A4-proportioned; on other paper the codes stay square and the spacing adjusts.
QR encoding by Project Nayuki’s qrcodegen (MIT). QR Code is a registered trademark of Denso Wave.