Guttering (2026)

: Thicker books require deeper gutters (wider margins) because the bulk of the pages prevents the book from opening flat.

In publishing and design, the is the crucial extra space added to the inside margin of a layout to account for binding. 📖 The "Gutter" in Text & Publishing GUTTERING

Gutter highlights how-to - Technical Support - Sublime Forum : Thicker books require deeper gutters (wider margins)