QRLynx Blog
QR Code Guides, Tips & Best Practices
Ahmad TayyemQR Code Design: Quiet Zone, Contrast & Sizing (ISO 18004)
The 5 design rules that stop QR codes failing to scan — quiet zone, contrast, size, color, and the 10:1 print rule. Per ISO/IEC 18004 and Denso Wave.
Ahmad TayyemQR Codes for Product Packaging (2026 Guide)
QR codes on product packaging — labels, inserts, smart packaging, EU Digital Product Passport compliance, bulk SKU generation, and scan tracking.
Ahmad TayyemQR Code Stickers: Sizes, Materials & Waterproofing
Print QR code stickers that scan. Vinyl vs paper vs polyester, waterproof options, sizes by use case + a 20-scan pre-print test protocol (2026).
Ahmad TayyemMinimum QR Code Size for Print — 10:1 Rule (2026)
Minimum printable QR code size by scan distance and print method. The 10:1 rule, smallest reliable size (0.8"/20mm), 12 real-world test cases.
Ahmad TayyemQR Codes for Flyers & Posters: Print Size, Placement, Design
QR codes on flyers and posters — exact print sizes (the 10:1 rule), placement zones, design tips, and campaign tracking. Avoid common scan-failure mistakes.