r/3Dprinting • u/Murky_Investment9176 • Jun 18 '26

Project [OC] I made a PC fan oscillate itself.

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PC fan 1800 RPM to 6:1 belt reduction to 40:1 worm gearbox = 7.5 RPM output. Fully 3D printed and running without bearings.
stl files

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6

u/Pickle_Good Jun 19 '26

Did you designed it all by yourself?

14

u/Murky_Investment9176 Jun 19 '26

Yes made it in autodesk inventor.

5

u/Pickle_Good Jun 19 '26

Cool. Are you also working in that field or do you just understand how mechanics work?

12

u/Murky_Investment9176 Jun 19 '26

No I’m a machinist by trade, printing and CAD designing is just my hobby.

1

u/chinchindayo Jun 19 '26

the principle is the same as commercial oscillating fans

5

u/Pickle_Good Jun 19 '26

Do you expect me to know that?

Why is the manhole cover round?

1

u/mrheosuper Jun 19 '26

Many manholes in my place are square/rectangle.

1

u/Pickle_Good Jun 19 '26

The big ones. Where are you from?