This is an stand for an latop iPad and an e-book with al hexagonal pattern. There is also a solid version if you prefer a cleaner look.
If you want to modify it to fit perfectly on your devices follow these steps.

1. Measure the width of your devices
2. Download the f3d file
3. Open the file in Fusion360
4. Go to Modify>Change parameters
5. Change the value of the values to the ones you measaured and
   accept.
6. Go to Tools>Make
7. Select the body and export it
8. Slice the Stl file in your prefered slicer
9. Happy printing

No supports needed
I used the galaxy silver PLA from prusa