https://preview.redd.it/ck3sbnlkxvad1.png?width=8064&format=png&auto=webp&s=6624fed6ebdcda3823ca9a818779447d7cee0f4c
I lost it during cleaning the paint gun.
Bought a second paint gun to finish the job and recognized why the first one didn't take color anymore, the washer was missing!
No way to buy a replacement! So i made this tiny openscad file to print my own.
https://www.printables.com/model/934438-paint-gun-venturi-washer
dia_outside
= 33.2;
dia_inside
= 21.2;
wallsize
= 1.2;
dia_holes
= 3.0;
thickness
= 1.1;
holes
= 20;
height
= 2.8;
$fn=120;
union(){
`difference(){` `cylinder(d = dia_inside + wallsize*2, h = height);` `cylinder(d = dia_inside, h = height );` `}` `difference(){` `cylinder(d = dia_outside, h = thickness);` `cylinder(d = dia_inside, h = thickness);` `d = dia_inside/2 + (dia_outside/2 - dia_inside/2 + wallsize)/2;` `for(a = [0: 360/holes : 360-360/holes])` `rotate(a)` `translate([d,0,0])` `cylinder(d = dia_holes, h = thickness);` `}`
}
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