Volumetric measurment

[Hares Ear]

This bit interested me

http://www.curtrich.com/bpsubsdummies.2.html

down the page a bit, cutting slices of draughtproofing cord to make thick wads. Its hard to find thick felt wads so this might be a usefull alternative.

What calibre and what length are you after. Kranks do .44/45 wads that are over 1/2 an inch long