The technology is maturing, there seem to be a lot of new companies, interest and consumer applications, but I don't know much about them. I've played a bit with the abs plastic cheap ones, but I wasn't impressed with the quality, other than for cheap toy applications. I am sure the more professional ones are amazing, just outside of the average consumer reach last time I looked at them a couple of years back.
Considering they use 3D printing to even produce turbine blades for plane jet engines, I am sure the technology is mature enough already for professional use.
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