A print grid system divides a poster or brochure's page into regular modules, and every photo and text block snaps to those cells. Because the underlying grid stays fixed even when the content changes issue to issue, a different designer can produce the next edition and it still reads as the same series.
The method was formalized in Swiss (International) Typographic Style: the page is divided evenly in both directions, with the margins and the gap between cells (the gutter) fixed alongside the columns themselves. Placing an element means declaring how many cells it spans — never eyeballing a position.
The grid itself is invisible in the finished print piece, but the way photo sizes and margins quietly repeat across many pages and campaigns is exactly what reads as "the same brand made this." The 12-column grid used in digital products is this same idea carried over to the screen.
When to use
Use it for poster series, brochures and magazine layouts that need photo and text placement to stay consistent across many editions or pages.