[{"slug":"print-run-paper-weight","h1":"How to calculate print run weight before buying paper","excerpt":"Sheet size, grammage and quantity — the three numbers that define your warehouse order.","url":"https:\/\/typostack.com\/pl\/guide\/print-run-paper-weight"},{"slug":"business-cards-on-sra3","h1":"How many 90×50 mm business cards fit on SRA3","excerpt":"European standard 90×50 mm on SRA3 — typically 10–12 cards per sheet with sensible cutting gaps.","url":"https:\/\/typostack.com\/pl\/guide\/business-cards-on-sra3"},{"slug":"sra3-vs-a3-imposition","h1":"SRA3 vs A3: which sheet to choose for imposition","excerpt":"SRA3 is slightly larger than A3 — the extra margin is for gripper and trim on commercial presses and many digital presses.","url":"https:\/\/typostack.com\/pl\/guide\/sra3-vs-a3-imposition"}]