One of the world’s largest digital design platforms is taking new steps to block 3D-printed guns and gun parts.

Additive manufacturing has a wide range of applications and addresses many challenges inherited from conventional molding techniques such as human error, multistep fabrication, and manual handling.

YouTuber Jan Roetz has been on a quest to develop the fastest desktop 3D printer for well over a year. The “Minuteman” 3D ...