I'm getting ready to send in a bunch of filaments and I found the current method of generating labels and packing filaments a bit tedious. Ideally I wanted to make thing simpler for the sender and receiver.
The idea is that instead of using separate bags and labels, you just print a page that contains all the information and then fold it to keep the filament in. I've already sent this to Joe to show it a bit but I'd like to get some external input as well.
You can use it directly at this link: https://murk-sy.github.io/filamentcolors-sample-envelope/sample-envelope.html
Download and code is available here (can run locally):
https://github.com/murk-sy/filamentcolors-sample-envelope
(Some more details and goals also listed there.
The interface:

The generated page:

The end product:

Edit 2025-06-07: Added folding line hiding and a link to run it directly without downloading