Non-Modular Squares: 136

Most of the boxes shown on this page were designed by Tomoko Fuse, with a few designed by Mark Bolitho. For lidded boxes, each lid required one sheet of paper and each base required one sheet of paper.
 
Tomoko specifies A4 size paper for most of these boxes, but her instructions allow for significant adjustments to the sheet size. I have been able to vary the dimensions even more than what is shown in her book, producing boxes of many different sizes.
 
Non-mod squares are cute and sturdy, but easier to make than non-mod pentagons or hexagons. I recommend trying them first before attempting other non-mod shapes.