The focus tangle of Shading Zentangle® FB group's weekly challenge is Fassett, a fun (but a little tricky) tangle to play with. Mine is almost duotangle with my new favorite Baton.
Here is the line-art of the tile before shading:
In this next picture, you can see how I added some contrast and weight to the lines:
And finally, here is the completed tile with shading:
I hope you enjoyed it!
Copyright 2016 Eni Oken