‘rainbow ruler’ (detail) image © designboom

the ‘rainbow ruler’ by japanese design studio 501 designstudio (duo souichi takenaka and hiroi igarashi) consists of a repeating pattern of seven-colored acrylic resins that represent the colors of the rainbow. seen from above with an angle of cz. 90 degrees, each color is accurately measured as 1 cm, replacing numbers with color. a good alternative for those who are visual learners, and not so numerically inclined

501 design studio: rainbow ruler rainbow ruler by 501 designstudio image © designboom

501 design studio: rainbow ruler image © designboom

501 design studio: rainbow ruler image © designboom

501 design studio: rainbow ruler hiroi igarashi of 501 designstudio image © designboom

the rainbow ruler was exhibited during designtide tokyo 2010.