When it comes down to it there is nothing better than manual tools for your Lock pick Set, whether they be retail, homebrew, macgyver style. DIY'ers look here.
it coing upon yule a use for those plastic gift cards came to me you can cut out your design from the cards then use sray paint to mark the out side and you could mark many with each set
Copied from crypto.com. Scaled in GIMP. Smoothed in Inkscape. Accurate size at 72 dpi.
I know Exodus 5000 already posted these templates, but to my knowledge, they weren't to scale, so to save people some work, here are the templates I made to use.