Customized version of https://www.thingiverse.com/thing:281520

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=281520

Using the following options:

width = 10
thickness = 4
length = 20
turn_diameter = 40
turn_angle = 360
resolution = 200
geometry = 8
hole_diameter = 3
hole1 = 0
hole2 = 20
countersink_depth = 2