Customized version of https://www.thingiverse.com/thing:3030407

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3030407

Using the following options:

blades = 4
prop_diameter1 = 100
prop_diameter2 = 100
prop_shaft_diameter1 = 16
prop_shaft_diameter2 = 16
motor_shaft_diameter = 9.4
blade_thickness = 3.1
prop_height = 20
prop_rotation = 60
rounding_diameter = 5