printing on HP41 magnetic cards

[damaltor]

The Plotter thing sounds like the most resonable - the letters are far too good for a stencil and dont look rubbed on as they are perfectly in line.

i wonder how i could transfer that to modern technology printers, as dieter wrote. I did just dig out my old technical pens, my smallest nib is 0.18mm. i also found some stencils - no way to make it that accurate