What is a tessellation?
You can read more here
Tessellations have been used for centuries (They appeared in ancient Sumerian civilisation in approximately 4,000 B.C. ). Some of the tessellation artwork still in existence is stunning.
The neat thing is that it looks a lot harder to make than it actually is. Here is a neat TED talk on these art forms:
This video shows how you can make some of these:
Group 3 will be giving these a go over the next few days.