Yes, yes you can. I am so glad I decided to go large with the paper on this model – an A4 square would have been very difficult indeed – the result is delightful, spine, hard cover and numerous pages – brill-iant indeed.
There is much to admire about this model. From a paper engineering perspective it cleverly folds away most of the sheet, locking the pages in place and forming a nice stiff “hardback” cover. If you use paper coloured differently on both sides, the cover is one colour and the pages the other – very clever indeed (a little difficult to demonstrate on a white-only fold).
Folded from the appropriately named “Brilliant Origami” by David Brill.