I decided to try the Delft Delights techniques on a 3Z-sized tile, thinking it would look a bit like a pottery shard. I also did a bit of research into patterns used on Delftware, so that I could find tangles that corresponded. The ones shown here I actually found on examples on the internet!
Zentangle drawn on 3Z-sized Strathmore Vellum Bristol using blue Zig and Staedtler markers. Shading done with colored pencils.