Thanks for such a great class! Here are attempts on a few patterns:
In the first one I was still trying to get the hang of things so I didn't divert much from the class example:
I ended up using what I learned in this class for the background pattern I used for the startup I'm working on (elements are from Noun Project):
Finally I felt confident enough to try something more original. I had drawn these eyes a while ago for a GIF and wanted to see how they'd look in a pattern:
I find myself arranging pattern elements more densely than I think I am so that'll be something to pay extra attention next time.