The idea is this: there's no need to buy a 3D printer (they sell those too) just like there's no need to buy a regular printer, scanner or copy machine. Just come into the service center and Staples will take care of the job for you. They'll have the equipment there.
I was initially excited to see that the word "ethic" was 6th on Merriam Webster Dictionary's list of terms with the greatest increase in lookups in the past year. Excellent, I thought. More people are interested in ethics. But then I started to wonder.