Discover how to create repeated patterns using 2D shapes in this fun BBC Bitesize reception guide.

Infinitely many copies of a 13-sided shape can be arranged with no overlaps or gaps in a pattern that never repeats. David Smith, Joseph Samuel Myers, Craig S. Kaplan and Chaim Goodman-Strauss () ...

Patterns are great ways to create decorations for objects and backgrounds. Learning how to create a pattern from the Custom Shape Tool in Photoshop is great for making unique patterns for any project.

The same researchers behind the 13-sided "hat" shape have stumbled upon a version that improves upon the original in a very important way.