100 Hand-drawn Medical Icons This set contains 100 fully scalable vector icons in a perfectly organized PSD, AI and other file formats. The topics covered are health care, pharmacy, health, medicine, anatomy, pregnancy, medical science and so on. http://startupstacks.com/icons/100-hand-drawn-medical-icons.html - free download
This image reminds me of something you would look at under a microscope such as cells or organisms. It is such a simple image yet it seems to hold a lot of detail. I think this topic could be a great starting point for a project. This image could create such a great abstract pattern. The monochrome colours give it a very modern feel but it still maintains its natural element.