The things I have 3D printed:
Desk shelf: an IKEA Fjallbo Shelf with some 3D printed legs.
I added some mini pegboards & Gridfinity trays on the sides for some storage and the Stream Deck angled mount (with a custom magnetic clip design that I can use to make modular clip-on accessories)
There's also a usb/SD hub mounted to the desk shelf, and a hidden magsafe charger stuck to a magsafe ring underneath it for quick access.
I modelled and printed the speaker risers/anglers, with space for foam feet underneath.
I created the mounting system for my Hue Play Bars, so they are at a better height and angle while also running the cables through the hollow pipe.
What you can't see are:
* 3 game controllers mounted down the left leg of the desk
* headphones mounted on the right leg of the desk
* Switch 2 mounted under the desk
* Neck pillow mount for my chair