At first glance, a donut seems like the simplest possible 3D subject, but this video shows how deceptively complex it can become. What starts as a basic modelling exercise quickly turns into a deep ...

My family adores Catan, and it just so happens that there are numerous free files that allow you to create a fully 3D version of its board (this community is a gem, I swear). "Perfect!" I thought.

A microscope that cost less than £50 and took under 3 hours to build using a common 3D printer could be transformative for ...