Analyze the relationship between 'Stratasys' and '3D Printing' within the context of the input sentence.
Options: business division, parent organization, product/material produced, member of

Stratasys (NASDAQ:SSYS), a maker of 3D printers, will be at the ... 06/10/2015 05:08 PM ET Navy Teams Up With 3D Systems To Develop 3D Printing
product/material produced