Additive manufacturing is very cool tech, but most of them are for basic prototypes only. I.e. they don't last very long under real use. That being said, there are a few techniques which can actually be used to make or remake worn parts and have them be usable.
sudo modprobe commonsense
FATAL: Module commonsense not found.
Their disclaimer says that they are suitable for decorative purposes only - but how far off until someone finds a new binder or newer technology that lets them print mechanically sound parts?? Not that I'll be able to afford the printer but it would be pretty darn neat to print off a new lower to build a new AR...
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