Process

The process of double-faced tablet weaving is detailed at the following sources:

http://www.stringpage.com/tw/basictw.html

https://www.cs.vassar.edu/~capriest/dfdt.html

Additional tricks are found here:

https://silkandquill.com/2019/01/16/starting-and-finishing-tablet-woven-bands-and-some-other-hacks/

To briefly summarize:

1) Using a ~2x1 grid, design a pattern comprised of two colors. Because each cell represents two turns of the cards, they must be wider than they are tall (generally between two and three times, depending on how tightly the fabric is woven).