Here is another unique stand for your smartphone. This 3D Printed Tensegrity Smartphone Stand was made using PLA. It supports a wide variety of smartphone. It makes your phone look as if it is levitating 4 inches above the table surface. It can handle up to 0.75 inch thick phones.
This smartphone stand can hold your phone in portrait or landscape orientation. It has a footprint of 4 x 3.5″. NXTGenCreations is selling this on Etsy.