We do! You can check it out from Media Services in the 2nd floor Link at Love Library. The library does not have a 3D printer, but there are a few elsewhere on campus.
Here are some campus organizations that have 3D printers. For more details, please check with each organization.
UNL Print Services
Terry Research Laboratory
College of Engineering Nano-Engineering Research Core Facility (NERCF)
MakeShift Lincoln and the Lincoln City Libraries are off-campus options for 3D printing.