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Addition of the pouring channels and air vents seems to have solved the large air bubble problem, and theres now just some small ones present. I'll use this method for all the other 2 piece molds I make from now on. The hutt castings seem to be immune to this problem still.
I have yet to reach the dreaded 'urethane mold wear out point', but I've only done 13 shots in each mold.
Its been an interesting (re) learning process.
1 comment:
There goes DB's Stone Train right there!!!
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