Customizable Barbed Tube Fitting

So my colleague needed a replacement part for his pool heater so I tried to help him out and designed/printed this barbed tube adapter.Fully customizable. If more customisation is needed let me know, I'll try to complyNo supports are needed thread_diameter = 32; // Thread (eg M41)thread_pitch = 1.5;thread_length = 20; //Height of thread in mm bolt_height = 10.5; //the thickness of the hexagonbarb_count = 3; //amount of barbs barb_base_height = 13; // there is a cylindric part between the beginning of the barbs and the hexagon. This is de heightbarb_height = 7.8; // height for each barb EXCEPT LAST ONElast_barb_height = 10.5; // last barb can be a bit longer (easier for tube to fit) core_radius = 17; // the radius of the widest part of the barbs and barb_basebarb_r2 = 16; //radius of the top off barbs EXCEPT LAST ONElast_barb_r2 = 13.5; //last barb can be a bit smaller (easier for tube to fit)inner_radius = 11; // Radius central hole