Kyouei Design’s bendy bookmark doesn’t just help you keep you from losing your place, it doubles as a book light. Simply fold the printed circuit board over and touch the positive and negative terminals together to turn on the LEDs.
Art & Design
A brilliantly simple way to create two-point perspective drawings by fixing a piece of elastic string to the two edges of your image, then pulling it up and down with a paper clip. It doesn’t provide a hard straight-edge, but it’s still a cool hack.
Designer Olly Swinyard’s playing cards feature intricate line art drawings, which carry across not just on the face cards, but on each and every diamond, spade, club, and heart. Tiny details on the face cards reveal secrets of love and betrayal between the courts.