Analyze the relationship between 'Stratasys' and '3D printing' within the context of the input sentence.
Options: product/material produced, operator, currency, headquarters location

10, 2015-- Stratasys Ltd. (Nasdaq:SSYS), a global leader of 3D printing and additive manufacturing solutions today announced that it will release financial results for the quarter ended June 30, 2015 on Thursday, July 30, 2015.
product/material produced