Re: factory in another country: I use and recommend craftcloud (Germany company that facilitates having your uploaded model be printed wherever and however you choose (and see prices of course). I am always able to find companies in the USA to print my designs. I had repeated good results with https://hudsoncreativegroup.com/ in AR. The only reason I haven’t done it myself is because I don’t have time to do it often enough and each time I get back into it I have to relearn about the material choice tradeoffs. If I had a better grasp of these things and get a less demanding tech job/replaced by AI :), I would research buying one.