This project is similar to the felt latkes we made for Chanukkah. Easy to do by hand or by machine. In the case of felt matzot, matzahs or matzos (choose your preferred spelling 🙂 ), they also need to be “browned”. We did this with brown felt marker but I kept thinking about using rectangular erasers and paint.
These are pretty self explanitory- cut matzah to taste (round, square, misshapen etc.) sew to taste (only around edges, in a spiral, whatever), decorate to taste, refine to taste.