Designed for a 24mm glass sphere, but it can be scaled to fit different sphere sizes.
With this design, a single clip can hold between 1 and 5 sheets of paper.

The piece should be positioned with the large hole on the print bed.

Version A is designed to be attached to the wall with double-sided tape.
Version B is supported by a screw on the back.

Printed in PLA,

0.20mm height, 

0.45mm width