"Mini Telegraph Open Source Telegraph Maker
DIY Robotic Arm Writing Robot"

I ran across this paper tape marking kit at aliexpress.com, which
is sort of the eBay of China. It's an exceptionally reliable outfit,
though sometimes the prices are confusing. But they communicate well
in English and are always helpful. Have a look at the following:

https://www.aliexpress.com/item/4001260718614.html

Warning: Ali Express sells utterly everything and is highly addictive!
I've been using my credit card with them for years and there has never
been a problem.

Mark Kinsler