WINSTON-SALEM, N.C. -- Academics and law enforcement are weighing in after a judge blocked the release of blueprints to use 3D printers to make guns.

• Forsyth Tech is teaching the use of 3D printers
• Used to create production prototypes or items for medical research
• Law enforcement has concerns about plastic guns being unregulated

RELATED: AG Stein says 3D printed guns are a 'threat to public safety'

Forsyth Tech is one of the places teaching the use of 3D printers.

They’re used to create production prototypes or items for medical research.

The college says any new technology raises ethical issues and related discussions in the classroom.

"We’re a leading institution in cybersecurity, for example, another area of technology, and technology adoption that raises ethical as well as legal questions," said Dr. Gary Green, president of Forsyth Tech

Law enforcement has concerns about plastic guns being unregulated, and also the fact that they're hard to detect.