Beckah Krahula gives a quick tutorial on shading to create the illusion of depth in day eight of One Zentangle A Day. The information is good, and some knowledge and recognition of the way light and shadow can be used to represent form can be quite helpful in creating Zentangles. I think some basic drawing exercises would really help beginning tanglers understand the effects they can create on a tile. And practice. Lots and lots of practice. That’s what makes the shading part of the Zentangle process so enjoyable.
Here’s my tile for day eight. Also enjoyable: getting to use purk and vega. I also tossed in some crescent moon (a tangellation), printemps, knightsbridge, and striping.
You can follow what other people have created for day eight here.