User talk:Djg5125
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2.1 - So, we can't quite make a perfect self replicator, but how many of these vitamins might we replace?
2.2 - I'm not sure if i follow your argument about prices going back up, as even traditional manufacturers use raw materials, however you're right in some sense: filament prices have gone up, and it's probably not a bad market to be in, if you can make a good feedstock.
2.3 - So, more and more better things forever? What might we want to consider regarding a metal-based printer system?