I took taposk's amazing http://www.thingiverse.com/thing:205379, solidified it and did a little scuplting to make the mesh look more like the photos. I couldn't resist adding my favorite NASA quote to the side.
B.T.W. It is actually Buzz Aldrin's bootprint and nowhere near close to the first one either. But it is the best image we have from the program so I'll take it.