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Extra fill inside to use less plastic

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Extra fill inside to use less plastic

Postby Kingster » Thu May 12, 2016 7:56 pm

I am casting some statues in a 1-part mold and because of the statue's size is pretty big I am thinking to throw in the mold a pice of another material, a random piece of it and after that fill it with the plastic that will go and fill the spots that are the details. The material I am speaking of will just occupy some space and will not be visible when I remove the mold (maybe just a little bit because it will "touch" the mold due to weight before I spill the plastic).
So the question is what material to use for it. I want a cheap material like clay! I am making cheap terrain molds for me, so I want to minimize the cost.
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Re: Extra fill inside to use less plastic

Postby Fleafa » Thu May 12, 2016 7:59 pm

Buy filler designed for casting resins or consider rotational casting. Clay is not a good option. Waste cast resin or injection-moulded plastic sprues should be fine.
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Re: Extra fill inside to use less plastic

Postby Kingster » Thu May 12, 2016 9:22 pm

Fleafa wrote:Waste cast resin or injection-moulded plastic sprues should be fine.


That's it! How could I not think of that... Thanks!
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