Greetings.
I'm not too sure if I'm understanding the question correctly but here's what I got.
A knife is to cut with, and a copy machine is to copy with.
Hope this helped!
B. Him Singing. Such an odd question
3D printing is incredibly resource efficient since the only material consumed is what passes under the laser (or through the extruder, etc.), whereas traditional manufacturing requires the use of extra materials (molds for injection molding, scraps for perforated sheet metal assembly, etc.)
