CETTEC Insights

Bi-fold – programs, sell sheets, simple menus Tri-fold – classic brochure or mailer Z-fold – step-by-step guides, statements, maps that reveal in sequence Accordion – timelines, multi-option menus, product tiers Gate fold – dramatic reveal for a hero image or launch Double gate – poster-style reveal packed into a small piece Roll fold – staged storytelling, onboarding, tours Double parallel – dense specs, bilingual layouts, policy inserts French fold – invitations, maps, even

Minimum size: 0.8" (20 mm) square for hand-held pieces; 1.2"+ (30 mm+) for posters viewed from a few feet Quiet zone: leave at least 4 modules of clear space on all sides (no logos or patterns bleeding in) Contrast: dark code on light background; avoid low-contrast brand colours and busy images behind the code File prep: supply vector (PDF/SVG/AI) or a 1000×1000 px PNG at 300 dpi; no JPEG compression Error correction: use level Q or H if you’re overprinting, laminating,

Designing an 8.5″×11″ (216×279 mm) tri-fold? Use these panel widths so the fold-in panel tucks perfectly: Outside (back—fold—front): 3.6354″ • 3.6667″ • 3.6979″ 92.34 mm • 93.13 mm • 93.93 mm Inside (left—middle—right): 3.6979″ • 3.6667″ • 3.6354″ 93.93 mm • 93.13 mm • 92.34 mm Specs that save headaches Bleed: 0.125″ (3.17 mm) all around. Safe area: keep text/logos ≥0.125″ (≈3 mm) from folds/trim. Crossover images: don’t span folds; if you must, give 1/16″ (1.59 mm) c