I have to agree with lots of others here. Reduced costs of parts and sub-assemblies combined with an abundance of open-sourced knowledge have provided the tipp

I have to agree with lots of others here. Reduced costs of parts and sub-assemblies combined with an abundance of open-sourced knowledge have provided the tipping point to the recent explosion in 3D printing. Patent worries only stifle innovation in larger established companies with more to lose than to gain.