Tablet weaving is an ancient form of pattern production using cards which are rotated to provide different sheds between warp threads. It’s used to produce long strips of fabric, or the starting bands and borders that form part of a larger warp weighted weaving. We’ll come to the second use later in the weaving codes project.
There are quite a few programs around to simulate the tablet weaving process – I used this program to get an initial understanding, here’s an example screenshot: