Prepare a 9 cm paper square. Create lateral and diagonal folds on a square piece of paper, and then open out. Fold the four corners to the intersecting centre of the paper. Horizontally and vertically ...
If you find your fingers are generally a raw, bloody mess due to your boredom-induced nail-biting, or you're driving your cubicle neighbors insane from your desk-drumming and pen-clicking, fidget toys ...