avolkov, I made a breakout board/soldering jig/ header jig for Raspberry Pi Pico.
https://www.printables.com/model/623098-parametric-breakout-board-for-raspberry-pi-pico
It was really easy because someone else did the heavy lifting of designing the model. I just had to tweak a few parameters to make it work for a different board. That's why I'm a fan of OpenScad.