Don't be so naive - production of replicator-level 3D printers will be monopolized by large corporations like anything else. Energy also won't be free, look how EU banned cheap Chinese photovoltaic panels to reduce competition for preferred corporations.
Welcome to capitalism ??
And in before argument : it is not capitalism , capitalism is about free market crap.
No , capitalism is about winning period.
Money flowing into your industry,pocket = win. Money not flowing , you die. This is simple as that.
No one gives a s**t about fantasy world in libertarians heads.