He says,"Rather than carrying hundreds of parts, [repair workers will] have a printer in the back of the van, pay a $2 licensing fee, and your washing machine is fixed. “13 While there is a range of materials than can be printed, ranging from plastics to metals, each with its own lifecycle environmental impact there is a potential for 'green' or biologically-based printing materials.
This example text from a political party manifesto is positive towards constitutionalism