they were just random patterns. but calling them hourglasses makes it sound like i had something planned, so let's go with that. >:3
The one on the left of the skirt randomly seems larger than the others though, and since you can't see the other side it looks like a giant triangle :V
Also, requesting art of Skye. I don't think he's gotten much art at all, which is a shame, because his design is actually p. cool