Stop Handgun Violence “3D Tragedies”# Gun violence is increasing by the day, most especially in the U.S., where shootings occur at least once a month. One might be tempted to think that these facts would bring about stricter gun laws, but today’s potential killers can now download plans from the web. No background check, no serial number, no nothing. This PSA shows scenes of a mass shooting using characters designed to be 3D printed, even though it is actually all done in CGI. Powerful and haunting.