Utilize the input text as a context reference, choose the right relationship between 3D Systems and 3D printing from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

What's more, the Wall Street community doesn't expect that 3D Systems will reclaim its status as the largest 3D printing company by revenue in the coming years.

Answer: industry