Some amazing artistry went into these. There are quite a few disturbing ones but I can't help admiring the actual art that went into creating these tattoos.
15 Stunning Images of 3D Tattoos - TopYaps
This is a good image for the gums, teeth, and tongue of a t-rex. I will use these areas of interest for my final.
Banksy Waiting in Vain - Bing images
Students in Paris turn a MakerBot into a tattoo printing machine. DIY: http://www.instructables.com/id/3D-PRINTER-X-TATTOO-MACHINE/
See more Blood and skull tattoos on arm
How to make 3-d looking flourishes for cards & journal pages.
Image result for roman nose horse