Wohlers Report 2019 Details of Developments in Additive Manufacturing Worldwide March 28, 2019 Fort Collins, Colo.-based Wohlers Associates announced the publication of “Wohlers Report 2019,” the 24th annual installment of its undisputed, industry-leading report on additive manufacturing (AM) and 3D printing. The worldwide study reports on growth, development, and the future of AM materials, applications, systems, services, design, software, patents, startups, standards, investment, and research.