Headphone Hanger

Modeled in Solidworks 2013, Dimension are roughly 3in x 1.5in x 3.5in (L x D x H), Printed on a XYZ DaVinci Jr, Modeled to be stuck to wall with strong 3M Scotch Tape. I can remodel it so the hole on the back is wider to allow a thumb tack to be guled into it.