I wanted to do a Zentagle with lots of different orbs. I ended up using Keko in the background, though. I felt that any more orbs would cause everything to blend so much that the individual tangles would be lost.
Zentangle drawn on Strathmore Vellum Bristol using a black, Micron pen.
Tangles: Apollonian Waves Inapod Keeko Kuke Marbles