Sorry, I see penis.

[MaxDepth]

https://all3dp.com/2/direct-vs-bowden-extruder-technology-shootout/

First graphic, under the title, "Extrusion 101." Big and little.

 

[DigDog]

Not penis.

 

[Mayne]

not seeing it either. I see some eyes

 

[PottedMeat]

if this is what your junk looks like you should see a doctor

 

[highland145]

if this is what your junk looks like you should see a doctor

lololllll

And if you're sticking it in the gears...WTH?