3d printing has advanced a ton. My first limited experience with it was around 1992 when it was called stereolithography and the guy at work in charge of the system said the 55 gal drum of resin costs $100k and machine was $300k. The prints were super brittle and fairly crappy looking. Now the basic systems are moderately cheap ($400-$500) and other systems can print in many other materials... flexible, metallic, etc. There are also quite a few companies that will print parts for you. I limit my usage to non-structural parts but the development of metallic printed parts (high dollar) has gotten pretty good with strength comparable to cast metal... not as good as forged or machined but still solid results. It will be amazing what the future brings.
1949 Chevy Panel Truck A Project Journal I'm old but I make up for it by being immature.
