Customized version of https://www.thingiverse.com/thing:3764039

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3764039

Using the following options:

ignore = 99
outer_diameter_1 = 34
wall_thickness_1 = 4
barb_size_1 = 0.5
length_1 = 20
outer_diameter_2 = 29
wall_thickness_2 = 4
barb_size_2 = 0.5
length_2 = 20
mid_diameter = 29
mid_length = 5