All Australian states and territories ban 3D guns, but only some jurisdictions like New South Wales, Western Australia and Tasmania make it an offence to possess blueprints.
Experts are calling for retailers to play a greater role in choking the supply of 3D-printed guns in the wake of the Bondi shooting
Gun control groups are pushing for more laws that ban the importation of 3D printers if they do not have pre-installed software blocking firearm parts from being manufactured
Retailers offering 3D printers or 3D printing services would report customers suspected of building 3D-printed guns to the authorities under fresh calls for corporate Australia to play a role in thwarting access to the deadly weapons
The only way I see is through permanent surveillance. Otherwise there’s probably an infinity of ways to cut up a plastic gun that would fool a machine
Especially regarding the similarity in shape to toy guns and gun shaped tools.
My best guess is they would require them to be online and sending copies or screen grabs to a central server where the goobermint could find it after a crime has been done. Or maybe you could shorten the list with AI and then have some poor shlub temp worker going through that list and tagging the incriminating entries. Not that they would do that that often. Not any more often than a county property tax office would go through google maps and identify over sized sheds that aren’t getting taxed.