One could also make 3D printed patterns for casting parts in steel, cast iron or aluminum. Yes some machining required afterward.

That said I'm often surprised at how nice a 3D printed structure can be. One can actually engineer for something other than "value".
Quote Originally Posted by old_toolmaker View Post
I know we are talking 3D printing here, but “My personal preference” here is machined from solid steel components. I am a retired mold maker so I am very familiar with plastics and the tooling to produce precision parts. Because of my background I tend to be a “precision freak” which is one of my handicaps.
Dam, I wish I wasn’t so fussy!!!
Dick