3Doodler’s 3D printing pens aren’t just for enthusiasts and students. The company has introduced the 3Doodler Pro+, a “professional-grade” pen aimed at everyone from artists to engineers. Its dual ...

Apple has filed a patent for a stylus that works on any surface, not just touch-sensitive ones, and would allow users to also draw doodles in midair. The patent application describes a pen that can be ...