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During the Obama years, the government thought that 3D printed guns posed a serious threat to national security. I'm not aware of anything that has changed except who sits in the White House, untraceable and undetectable guns that bypass our bipartisan background check system put us all at risk. The country deserves answers from the Trump Administration about why it thinks this is a good idea. Making it easier for dangerous people to get guns is reckless and stupid, and this is going to make Americans less safe. Advocates for gun control have argued that 3D-printed guns could also pose security challenges as they pass through airport X-ray machines. Cody Wilson, who describes current 3D-printed guns as.