This is what the tile looked like before - you can see that it's divided into interesting spaces.
I combined my efforts by trying the round tile and doing the Diva challenge. The Diva challenge was to use only two tangle patterns "Hybred" and "Strircles". Here is the result.
If you want to try Zendala tiles they are available for purchase on my website: www.elainehuffman.com - with free shipping!