

You can do it with any 3D printer, as long as you orient the letters so they’re at the top of the print, you can insert a pause in the print job just before it starts the layers with the letters. Then you do a manual filament swap and resume the print.
Another option is to print a QR code on them with a link to instructions/the organization.



Exactly.
Recommending that random untrained people go around armed is a recipe for disaster (see: ICE’s random untrained people going around armed). It’s irresponsible, at best.
I read these people as if they’re calling for violence but trying to skirt the line in a way that doesn’t get them banned.