Lion block expanding con’t

I’ll let the little mold dry and see about pressing some clay in it. Meanwhile a pic of the original next to the final expanded rubber version- quite a dramatic size increase from 4-3/4″ to about 6-3/4″
The process wasn’t quite as exact or perfect as the rubber distributor implies, it probably works best on thin plaque shapes.
I had placed it in the bottom of a full 5 gallon pail the last few days hoping the extra water pressure would help force more water into the rubber matrix which is how the expansion takes place- and help straighten the sides but it didn’t seem to expand any further.

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