Grumpy Old Geeks Topics 3D printed guns Topic 3D printed guns 2 mentions in 1 episode The speakers discuss homemade guns while considering a proposed background check for 3D printer buyers. Mentions 622: Never Fear, Cyber Sentinel is Here! Oct 21, 2023 45:46 This new New York bill would require a criminal background check to buy 3D printers. 46:03 the problem right now is ghost guns