Welcome to our Printing 101 series – these blog entries will be geared to discussing print terms, hacks, processes and design tips.
So “spine creep”, what is it? Some kind of horrible disease you wouldn’t want to get?
No, spine creep (or page creep) is where a saddle stitched project’s centre-most pages stick out further along the trim edge. So, if you have a 16-page saddle stitched document on an 80lb text stock, nothing to really worry about. But if you have a project with heavy stock or something more than 24-pages, your centre-most pages will stick out further than the cover and when the final trim is done, they will be short trimmed. You will lose some information within your layout on those centre- most pages unless you adjust your margins to account for this.
Here is a visual:
Frustrating phenomena that can sometimes be solved in your layout program (or sometimes by prepress). General rule of thumb is if you have a lot of pages and you are choosing saddle stitching it’s best to keep the creep in mind and keep page numbers or other content that may be near the trim clear of that edge.
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