I like how drawing and photography was used at the same time. Although this was tried a lot of times, the fact that both types (photography and pencil drawing) can be used helps widen the possibilities for a design.
Alessi Juicy Salif , Designed by Phillipe Starck in The juicy salif is rightly amongst the icons of industrial design. The citrus squeezer is cast in aluminium which is polished. The design is based on the shape of a squid.
Color Wheel (Moses Harris, Moses Harris's chart was the first full-color circle. The 18 colors of his wheel were derived from what he then called the three 'primitive' colors: red, yellow and blue. At the center of the wheel, Harris showed that black