Allan Hall

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0 karma0 postsjoined about 11 hours ago

How big should a QR code be when printed? Minimum size, quiet zone and error correction for print

🌐 dev.toSource

How to size a printed QR code from module size, quiet zone and error-correction level, with official figures and snippets for Node.js and Python.

#devtojavascript #devto #dev #modules #module #size #version #quiet

about 8 hours ago

CR80 card size in pixels, mm and inches: a developer's cheat sheet

🌐 dev.toSource

Exact CR80 / ID-1 card dimensions, pixel sizes at 300 and 600 DPI with and without bleed, plus CSS, SVG and canvas snippets for a card mockup.

#devtocss #devto #dev #card #bleed #canvas #article #ama

about 11 hours ago

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Allan Hall