I was thinking about getting RTV gasket material that comes in a tube, but I wasn't sure how that would pour over the plaster mold I made. It needs to get into all the crevices without bubbles. Maybe painting it on would work. I don't know.
I ordered a sample size of the material that is meant specifically for this application. So it should work.
Funny how I was fine with doing it the cheap route until after I invested a full day making the plaster mold. Now I don't want to lose a day of work just to save $30.
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