More from Chalkdust
- Florian Bouyer explains the beautiful geometry behind his mathematical colouring-in designs.
- Did you solve it?
- We round up some of the last month's top mathematical posts from around the internet
- Make the perfect gift for your loved one
- Something for you to solve during the post-Christmas lull
- Making gingerbread Platonic solids, Fröbel stars and Christmas flexagons