Out of curiosity, what printer would they be using for something like this? I've been considering getting a 3D-printer for a while, but I don't know enough to decide which one to get.
I did an Ask HN [0] on this topic a few months ago and the answer was a Prusa I3 MK3S if you can afford it and the Creality Ender 3 if your budget is smaller.
I did get the Prusa I3 MK3S and it's just incredible, I'm astounded by the quality of the prints and the printer itself. I've already designed a number of parts in Fusion360 and printed them with a variety of different filaments (Flex, PLA, PETG) and having a lot of fun creating things!
Just get Prusa. It’s used both by professionals and amateurs. In case it won’t be enough for your use, you will already know enough details about 3D printing to choose your next printer.