[wlesieutre]

One advantage of 3D printers is that the part you need might already be designed, you can find all sorts of things on thingiverse. Once the design exists any number of people can use it.

[nadezhda18]

Good suggestion, I did not think of search 3D printing designs. The model of my microwave is pretty common. Oh well.

[wlesieutre]

https://www.youmagine.com/ is another one to check on