Check out my recent invention - the DIY lamp in a shape of dodecahedron.
It is a puzzle lampshade that is made of 30 template units. After cutting out the elements, you will need to assemble them. The video gives out step-by-step tutorial. Check it out.
This project requires 30 A4 size papers/cards (180 gsm thickness recommended), craft knife, double-sided tape and the template, which is provided in video description.
Follow the link to watch how I did it: https://youtu.be/pPxwM-oJF3U