Simple wall mount for Apple Airport express late 2013

Well, needed to mount my Apple Airport Express (purchased late 2013) and found a very wonderful design by Pitoya: http://www.thingiverse.com/thing:146026. Now, they do mention that their design has some drawbacks... mainly that the light is hidden and that the design needs to be printed bigger (101%) to actually fit. Well, I printed it 100% and it doesn't fit [see my last photo]. While Pitoya's is a beautiful design, I decided to make my own and a very simple one. Also, I prefer gluing thing