I’m sure there are more precise, and sturdier ways to attach a perforating base to a tympan, but I can find no product better than, you guessed it, 3M Post-it tape.
…and work and turn again. And then flip. Work and turn is a press process where both sides of a sheet are printed using one plate or make-ready. In this case, I’m using this method to avoid handling tiny pieces of paper.