When using card available in the standard assortment of the suppliers of copier & digital printing machinery it is better to design the print work to start from the corner of the page (not middle).
This allows you to make your nipping line for i.e. A4 format to stay in one place and allow Fastbind automatic nipping system to take care of the back cover nipping (scores according the size of the spine). You can bind thicknesses from 1 page to 40 mm and the paper can be up to A4+ size (320 mm).
Size of the stock cover sheet for A4 or Letter sized book
Material
Positioning on the sheet for an A4 or Letter sized book
Size of the cover sheet for A5 (148x210) or Statement sized book:
Positioning on the sheet for an A5 or Statement sized book:
Visual appearance
The thickness of the pages grows after digital printing. This needs to be considered when designing the cover layout. In Fastbind system the automatic thickness registration helps the designer considerably.
Front cover registration depending whether spine text is necessary – in Fastbind system one scoring line is enough – as Fastbind automatic nipping takes care of thickness. Using spine text in very thin books, however, still requires concentration while binding.