Phone Holder for people with limited use of their hands

This is a one-piece handheld phone holder for people who have limited use of their hands. The pictures of the print included are actually of a prototype, as I haven't had time to send off for another print of the final design. The current design has been designed to fit a One Plus X but I can edit the design to cater to different sized phones. Any photos of prints would be greatly appreciated.

Thanks