Phone shelf on the edge of the bed
thingiverse
The shelf is designed for a bed board of approximately 16.5 mm. But there are sources, you can increase or decrease the size which is shown in the screenshot.
Download Model from thingiverse
With this file you will be able to print Phone shelf on the edge of the bed with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Phone shelf on the edge of the bed.