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Designing A Perfect Bind Brochure: Making The Spine

When you create a document with perfect binding, the cover requires a spine, i.e. the outer portion of the document which covers the actual binding. If you are not sure about the different binding options for multipage brochures, please refer to this article

The spine area for a document design depends on:

  • Number of pages
  • Paper type (Coated / Uncoated)
  • Weight of the paper

We always recommend using our free Print Plugin for Adobe to create templates with the correct spine dimensions. 

However, if you want to upload a file as a PDF, your cover must be designed as a spread that includes back cover, spine, and front cover together. Then this single spread has to be placed as the first page of the full file with later pages getting added after the cover.


You can set up your cover on any size page as long as the printable area is:

  • Measured exactly to your book’s trim size, spine width, and 4mm bleed
  • Centered horizontally and vertically

Please refer to this page for an exact calculation of the spine size. 


Minimum Cover Width (1st page in the multipage brochure PDF) = Bleed + Back Cover Trim Size + Spine Width + Front Cover Trim Size + Bleed

Example calculation for width of 210mm x 297mm cover with 60 inner pages = 4 + 210 + 3.429 + 210 + 4 = 431.429 mm


Minimum Cover Height = Bleed + Book Height Trim Size + Bleed

Example calculation for height of 210mm x 297mm document cover = 4 + 297 + 4 = 305





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