Customized version of https://www.thingiverse.com/thing:3496516

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3496516

Using the following options:

sphere_diameter = 139
stand_inner_diameter = 70
height_of_lamp = 40
gap_between_lamp_and_sphere = 1
wall_thickness = 5
bottom_thickness = 4
flare_angle = 90
flare_inner_wall = 0
FN = 50