As an industrial designer by profession, I thought about investing in a personal 3D printer, but I don't know much about it.
My max budget is 450€, find do you have decent printers at this price on leboncoin or other (second-hand)?
What are the criteria to look at? Knowing that it's just to "have fun" a little from home (small models, small objects or assembly with rough game) nothing very professional.
And a little bonus (even if the thread is not so cheap on dagoma.fr:
With the code DAGOCULTS16D, a custom tak build worth €19.90 is offered for €334 of purchases (i.e. a printer kit for €299 + 2 spools of 100-meter wire), or you can get a €20 discount directly with the code on the assembled version.
At my media library, they bought a Delta 3D printer that works properly. They had to assemble it themselves, but the parts made are not bad at all, as well as my Makerbot
As you're a draftsman, you can make the plans for this important one and launch the chassis in Fab where you work and buy the motors and belt and electronic components. The printing software for it and how to get it started is easily found on the net...