Hook Replacement for '3M Command Classic Adhesive Hooks'

The original hanger was used to hold a towel, and eventually broke from stress of pulling the towel off too hard. I tried fixing it with hot glue, but that only worked temporarily. So I decided to make a 3d model with Google Sketch-up and print it out.
The print worked, but I added too much material in some places. I think I fixed this issue, but you might need to cut away a couple of layers with an utility knife like I did.

I've made this model shorter then the original because of the lim