karaté phone stand

Hello, it's the first object i upload, i am from Portugal and i starting a new adventure in 3D printing. This is a phone holder i made with fusion 360, it's not perfect but i love karate, then i idealize this piece. It is good for iPhone 6 or other 5,5 inch phone.
Supports are absolutely needed in this design. print it on his side, by the feedback i had, it is better.