This is a wall holder for a magnifier lamp like this one:
http://www.banggood.com/10-LED-Lighting-Desk-Handheld-Lamp-With-2_5X-8X-Magnifier-p-913608.html
Just print it in your preferred material and mount it on the wall with 3 screws.
magnifierlampwallmount.stl | 34.8KB |