"Put your hand up if you know how to use a CAD package," Harouni asks the audience. A few brave hands go up, but most of the audience look like they're not entirely sure what CAD even stands for. "That's why. If I gave you a 3D printer, you wouldn't be able to use it."

Harouni wants to fix that, with her company Digital Forming. "Tools have emerged that are democratising design and make it possible for this technology to reach the public.