You will need:
Step 1: Step One: Cutting Out the Shape.
First, cut out a shape similar to the photo, (you can change it according to your phone/tablet) and then cut off the bottom. (shown in picture 2)
Step 2: Step Two:
Stick the bottom half of the cardboard in the specified area with tape on the inside and outside. It should look like picture 3 when done.
Step 3: Step Three: Neatening
Now you can trim it down and clean up some cuts to make it look better!
Step 4: Thank You!
Thank you for reading my first instructable, please favourite and stuff! Bye!