The spine margin is the margin on the spine side of the page. For all sides of the paper, the (safety) margin should be at least 5 mm. Only when opting for perfect binding, we recommend maintaining a spine margin of at least 15 mm.
The spine margin is the margin on the spine side of the page. For all sides of the paper, the (safety) margin should be at least 5 mm. Only when opting for perfect binding, we recommend maintaining a spine margin of at least 15 mm.