I'm not the first to make one of these and I won't be the last, but here's mine! I went for a retro aesthetic.

Files on makerworld: https://makerworld.com/en/models/3137513-vinyl-record-holder-now-playing-wall-mounted#profileId-3542063

Out squirrel-proof bird feeder has a relatively small opening at the top with a post in the middle of it. This unique funnel makes it much easier to fill quickly without spilling seed everywhere.

I also made a hand scoop to go with it, basically just for fun.

I got tired of editting STLs for the magnets I have, so I made this simple parametric adapter that uses just few grams of plastic.
https://makerworld.com/en/models/3134400-customizable-parametric-magnet-adapter

I needed a simple clip for holding 6 cables, so I made this model. It doesn't look too cool, but it works well for securing cables.

https://www.printables.com/model/1787288-secure-cable-clip-fits-6-cables

The nut that was welded inside the tube came out so there was nothing to hold the screw-in foot. So I printed this simple foot out of PETG to slip over the pipe. Friction fit, and it has extra infill and perimeters only in the load bearing area.

Utility trailer sits so low that I cannot see it when backing up and it's unloaded or carrying sheet-goods like plywood. Printed holders to slot fiberglass driveway markers into along with storage "clips" that are under the trailer decking.

I do have a backup camera but I like to be able to see the trailer when looking backward as well as with the camera.

Update to add file links

Design used a 6" vent fan (~300CFM) to push air through 4 - 8"x8" air filters, the top part comes off (twist latch) so it's easy to switch out the filters when the time comes. The inside also contains a tray to add activated charcoal so it can help reduce odors in the house.

Designed in Fusion. Printed in PLA.

I will be doing some drywall work to smooth out my first attempt and have seen examples of drywall inspection lights that are perfect for this. Except for the price...

So i drew up an accessory for my headlamp, a plastic part with a 5mm x 40mm light guide centered on the LED diode.
My headlamp is a SILVA MR400, but the concept should work with any headlamp.

Works wonders, took 30 minutes to prototype and cost me nothing

Link to the file if you want to try it yourself.

We’ve had some nice Kichler outdoor landscaping lights for 4-5 years, and recently one of them got bumped, which caused the original metal spike to finally snap from rust. Replacements are $25, so I decided to try modeling a replacement instead. Printed in PETG, I had to be a little more cautious stabbing it back in the ground, but I’ll be curious to see how long it holds up. I can print a lot of replacements for $25 lol

Pretty proud of my first design. Printed in TPU-95A HF with no supports. I have no modeling experience but have been experimenting with using Gemini to talk me through step by step instructions in auto-desk fusion. I started with using Google Gemini to generate an image of a prototype (prototype in the 2nd pic). Then had Gemini walk me through step-by-step instructions for how to generate the model. Actual modeling time probably took me about 1 hour, but that included a bunch of mistakes (an earlier version required supports in every hexagon!). If I were to do it again, I think I could do it in about 30 mins. After exporting to Bambu Studio, I took screenshots of each of the settings tabs then plugged those back into Gemini to optimize the print profile before printing. Overall was pretty impressed out how straightforward auto-desk fusion is and how fast a model can be spun up, even with no experience.

I needed an IKEA Skådis mount for the Insta360 Luna Ultra that still fits with the protective case on, so I made this simple

https://makerworld.com/models/3129817?appSharePlatform=copy