While 3D printers are still too expensive for most of us, a Kickstarter project is hoping to fund a cheaper alternative - a pen capable of drawing 3D structures. Called 3Doodler, the $50 (£32) pen ...

Ever wanted to bring your drawings to life in three-dimensions? Well now you can, thanks to a unique pen that 'writes' with warm thermoplastic that hardens within seconds. The pen can used to create ...