nodes connected by black lines, could leave it is it is for simplicity, incorporating it into a sleeve portion; alternatively have it as a sleeve/calf with the spaces coloured very brightly. This reminds me of constellations.
Know Your Lenses: DSLR lenses- get to know all about telephoto, prime lenses, wide angle and kit lenses! Which to use for faces, which to use for places, and everything in between. (great info for beginner photographers)