I bought a 10-inch touchscreen  from Amazon and lost the legs that came with it…so I made my own.  My screen is about .51 inches (12.75 mm) thick.

The fit is tight, but the screen fits and stands as expected.  I may go back and redesign for a better fit. 

Printed on CR-10

.24 mm layer height

3 perimeters

10% infill