I haven’t got the faintest memory of where this idea came from, but I found a penned drawing of it (I did it last summer I think) in my collection of photos, so for some reason I decided it would be a good idea to brush it up in photoshop instead of reading chemistry (that was a hard decision, let me tell you).
Inked Drawing:
Digital Trace:
Colored:
Shaded & Textured: