Refer to the input text as context and select the correct relationship between 'Stratasys' and '3D printing' from the available options.
Options: creator, distributed by, industry, owned by

Survey Reveals 3D Printing’s Imminent Impact on Manufacturing Stratasys Direct Manufacturing sampled 700 professional users of 3D printing to identify current and future trends Stratasys Direct Manufacturing 20 hours ago  .
industry