State lawmakers passed the bill in May to keep up with technology that makes it possible to make functioning firearms out of plastic on 3-dimensional printers and laser cutting machines.
Critics of the legislation pointed out that federal law already prohibits undetectable guns, and that criminals have easier ways to obtain firearms than manufacturing them on costly 3D printers.
The bill was one of two gun-control initiatives that Cuomo signed into law Tuesday.
Cuomo signed a law requiring the safe storage of firearms in households with children. The law imposes criminal penalties for those who don’t lock up firearms in a gun safe or use gun-locking devices in homes with children under age 16.
Violators would face misdemeanor charges punishable by a fine of up to $250.
Lawmakers said they were moved to update the state’s gun storage laws after Nicholas Naumkin, a 12-year-old from Saratoga Springs, was killed by a friend while playing with his father’s gun.
The governor has now signed four gun-control bills over the past two days
On Monday, Cuomo signed into law bills that extend the waiting period for background checks on gun purchases and ban the use of bump stocks, devices that increase the firing speeds of semi-automatic rifles.
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