Look around you. Chances are, there’s a BiC Cristal ballpoint pen among your odds and ends. Since 1950, it has far outsold the Rubik’s Cube and even the iPhone, and yet, it’s one of the most ...

Try experimenting with different colours of ballpoint pen to create layers of texture. Light-coloured felt tips can easily pick up darker colours from a drawing surface. This can be avoided by ...

An ordinary ballpoint pen is held in a spring-loaded carrier ... powder-coated aluminium case and a stainless steel stand it’s a work of art by itself. Inside, the Piktograph is powered by ...