Simple Arial font. 1" tall, .5 deep - Combine, chop, modify in your favorite program or just pick the letters needed.
Sorry, don't know. I have a MOJO which is automatic.
I'm a mechanical design engineer with over 20 years experience. I've specialized in R&D and finding practical solutions to sometimes very complex problems. I use this skill set with 3D printing to create useful items for the home and beyond!