Plastic guns made a comeback in the Knesset, with Interior Committee chairwoman Miri Regev saying Wednesday that they threatened public security.

Earlier this month, Uri Even, a Channel 10 reporter, snuck a plastic gun made with a 3-D printer into the Knesset and sat a short distance from Prime Minister Binyamin Netanyahu with the gun in his hands.

Experts on 3-D printing brought a printer to the Knesset to show Regev how it worked, and explained that there was very little supervision of the technology, because the materials it used could easily be found online.

It takes about 20 hours to print the pieces of a plastic gun.

Public Security Ministry representative Aharon Eksol said there was a need to deal with the phenomenon, because the existing metal detectors and X-rays were not enough.

According to Knesset security chief Yosef Griff, Knesset guards were surprised by the Channel 10 report, but since then, they have been aware of the issue and are trying to find a way to deal with it.

“There’s no doubt that 3- D printers have very positive aspects, but they also bring new threats,” Regev said. “The police need to find solutions to this new problem.”

She added that Prime Minister’s Office and Defense Ministry security must be notified.

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