Something interesting I found on the world wide web.

[34nineteen]

Enjoy

 

[34nineteen]

and this

https://patents.google.com/patent/US20030006579

https://patents.google.com/patent/US6561298B2/en

 

[Cooter]

That's a good one 34:19
I used that patent pic to screen print one of my favorite work shirts!