So what I did was, again, like I did with the dodo skull, I blew all my reference up to full size, and then I began cutting out the negatives and using those templates as shape references.

But what I want to get to, the next frontier, very quickly, and why the stethoscope is on its way out, is because we can transcend listening to the valve sounds, and the breath sounds, because now, introduced by G.E. is a handheld ultra sound.