3D printing for teens and seniors at Riverhead Free Library

The Riverhead Free Library is teaching patrons how to create in three dimensions with 3D Computer Aided Design software and a 3D printer to make models.

At 3 p.m. on Monday, library staff is scheduled to show teens how to use the 3D software and printer. Registration required. Call 631-727-3228 to reserve a spot.

There’s also a Tech Day event for seniors starting at 3 p.m. in which library staff will demonstrate how to use the 3D printer. Registration not required for this event.