I have an old Ender v3 Pro that I don’t use and I don’t want to throw away.

If you’re in the UK or willing to pay for postage you can have it for nothing.

The one I had designed for integrating 12V power connections in my LEGO builds. I designed two 2x2 bricks with openings to receive a male and female connector on one side and two holes for the wires on the other. I integrate them into my models to have a 12V power grid across all my modules.

Mainly, other production machines I’ve designed for work. I print a LOT of stuff, I print for retail, home repair, and fun.

https://cults3d.com/en/3d-model/gadget/refc-labs-sofle-rgb-split-ergo-colstag-keyboard-full-dress-case this keyboard case is probably my most used print by far and one of my favorite designs. I have a few others published for free as well.

Example cnc production equipment -

At work we have these phones that sit plugged in all day and run stuff. I got tired of having 6 phones scattered on my desk and wanted to organize them. So I designed and printed this little tower for them.

Each level is stackable so you can make it as tall as you want. The phones sit in little trays that make it easy for them to slide in and out. And on the side there’s fans to blow air over the phones and keep them cool. I recently added air filters but apparently I didn’t take any pictures of it yet.

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I have a 3D printed chess set that I love using.

Probably my Julius Caesar pen holder

We have a 3D printed ukulele and ocarina. Those were fun to make.

I also like the 3D printed iris box that prints in place, really cool to show people.

Also 3D printed a sun dial for my dad that displays the time like digital numbers.

Functional ones. Like this case for an RSP1 clone that used to be sold on AliExpress: https://www.thingiverse.com/thing:5507066
Might be good idea to tape it over with aluminum tape for shielding.

Or this for a Ulefone uSmart adapter to make it into a USB-C: https://www.printables.com/model/493211-ulefone-usmart-usb-c-adaptor
This connector is basically just pins from USB-C, but in a way that can only be used with their own accessories. Honestly this should be sold by them. I’d be willing to buy it even if it was like €15 (just better quality than a 3D print, of course).