BOSTON—Applications for the rapidly growing 3D printing industry now include the ability to make hearing aids and jewelry, manufacture parts for NASA and replicate a human kidney. And as the industry advances in technology and application, so do the capabilities for silicone molders like Albright Silicone.

FELDKIRCHAN, Germany—German RepRap, a manufacturer of industrial 3D printers, has developed a platform for liquid silicone rubber that it claims makes it possible to 3D print heat-cured silicone parts using a high performance LSR.

ANAHEIM, Calif.—Medical Design & Manufacturing West is set to spotlight advancements in the rubber industry. Here are a few trends to keep an eye on.

MINNEAPOLIS—Minnesota Rubber and Plastics has pledged financial support of Twin Cities Heart Walk, a fundraiser organized by the American Heart Association.

GEESTHACHT, Germany—Evonik officially has commissioned a new multi-purpose silicones production unit at its existing facility in Geesthacht.

CLEVELAND—The U.S. Food and Drug Administration has cleared 3D-printed, patient-specific airway stents developed by Cleveland Clinic's Dr. Tom Gildea, section head of bronchoscopy.

ELBRIDGE, N.Y.—Tessy Plastics plans to spend about $20 million in 2020, adding clean room space and injection presses, including two for liquid silicone rubber parts, at one of its factories in Elbridge.

OSLO, Norway—Elkem is acquiring Chinese silicone elastomer and resin material manufacturer Polysil. It is a move that Elkem said will enhance its product offerings and market position, creating a "platform for further specialization and growth in China and globally."

Small, but mighty, rubber roller companies enjoyed a busy 2019 with investments in expansions and acquisitions.