As part of my A320 Flight Control Unit Project, I needed some push-pull Rotary Encoders. I searched for these and came across an Aircraft Parts supplier who could provide them for around $800—not going to happen.

Then I trawled through countless sites that proclaimed to have fixed this problem, and while some looked promising, they all had issues that I wasn't happy with.

What I wanted was an enclosed package, with minimal wiring concerns and reliable functionality with extra springs, and multiple parts or CNC work.

So, opening FreeCAD, I designed my own.

PM me if you want the FreeCad files.

I printed these on a Neptune 3, and was pretty aggressive with the infill, as I wanted strength and longevity. I also used PETG, for the same reasons.

The Rotary Encoders and tact switches you can get from Amazon

Rotary Encoder: https://amzn.to/3SexHzp Tact Switches: https://amzn.to/47umQ8K

And the PETG I used was Overture Black PETG, again, on Amazon

PETG: https://amzn.to/48NhxSL

I love donations, they help me keep designing and (more importantly) pay for the filament.

https://paypal.me/leninkster