LOTS OF PORCUPINES
by Savannah S.
This tessellation shows translational (slide) symmetry.
The "tile" (tile = repeating shape) is slightly loosely fitting, with small gaps above/below each porcupine. In general, though, each porcupine fits with all the others, without gaps or overlaps. That's what a proper tessellation does.
If I offer any constructive criticism, it's this: I wish Savannah had tweaked the outline more, so that the feet, fur, and tail sections were more realistic. Also, if Savannah would color the shapes in by following the curves of the animal, and shade the undersides darker than the tops, then the shapes would look more 3 dimensional.