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Kevin Hamblin

Joined: :
26-Dec-2010

Started On : 15-Mar-2011 at 12:25:34 AM, #Views : 6471

Topic Subject : What did I do wrong?

I completed two castings. I used 880 alginate to make the mold and plaster bandages to create the shell. I used casting plaster to make the finished pieces. I didn't notice anything wrong with the mold, but when I pulled the finished pieces, they came out with golf ball size dimples in them. I have done a couple of other casting using the same products and the same method and they came out fine. I know one mistake I made was that I didn't get the plaster shell strong enough along the outside of the left leg and it collapsed.


Any suggestions on what happened?

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