What is the name of the drawing on the background of documents?

Question

Documentation

Actually, subject.
On documents, especially government documents, there is a drawing from a finished thin line. This drawing has a title. There definitely is, because in one of the issues of ][acker, released in the past decade, there was a program for generating such drawings.
Looking for a name or program.

Answer 1

I asked myself, I will answer.
The thing is called guilloche, specifically what I'm looking for is guilloche - a protective net.