A bunch of 10-inch rack minilab stuff.

edit: pic

The Honeycomb Storage Wall and a huge assortment of derivatives.

I've printed some basic gridfinity bins (the vase mode ones are super quick and sturdy enough for what I'm doing) and baseplates.

I also custom modeled a hook for my headset that would only work for my specific desk.

Earbud Charger Charger. Put your earbuds in the charger and put the charger in the charger charger and the charger charger keeps the charger charged.

In other words, an earbud case holder. The earbud case can charge wirelessly so I put a wireless charge coil behind where the case sits. I put a piece of metal on the back of it so it sticks to a magnet mount in my vehicle but I plan to 3D print part of my dash with this built into it.

My washing machine broke. Wouldn't drain. I took it apart and realized it was going to be a huge pain to fix if I didn't drain it first, but it wouldn't drain on its own. So I designed and printed an adapter that would let me run the pump that drains the washer from my cordless drill. PLA isn't the strongest material, so I went through like 3 of them draining the washer, but it worked fantastically. Very simple to design and a quick print. Big payoff.

Aside from that, wall mounts for my Nintendo Switch and accessories as well as a wall mount for my NAS solution, a shield for the face of my alarm clock so it didn't shine bright digital-clock LED light in my face all night (but I could move it aside and check the time), mounts for SAD lamps in convenient places. Most of what I print is custom-designed stuff for utilitarian purposes.