clay for molds?

  1. #1
    aguma's Avatar
    Member Since
    Sep 2006
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    Dallas, Texas, United States, 111762725508574, Dallas, Texas
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    clay for molds?

    what kind of clay should i use for making a vacuform mold for storm trooper armor? wood is too hard for me.

  2. #2

    Re: clay for molds?

    I suggest that you use resin, mixed with aluminium powder. Make a mold of the positive, then pour in the resin/powder mix into the mold.

    Then you'll have again a positive, but in resin.

    Clay is definately not the right stuff to use as a plug for a vacforming process.

    You can use plaster too.

  3. #3
    aguma's Avatar
    Member Since
    Sep 2006
    From
    Dallas, Texas, United States, 111762725508574, Dallas, Texas
    Posts
    109

    Re: clay for molds?

    no, i mean not to actually form the plastic over, but as a cast...like just using it to design, then use resin and pull the clay out and fill it with fiberglass or something, etc.

  4. #4

    Re: clay for molds?

    water clay will work fine for what you are doing. It is quick to shape and toughens up as is drys. You can vacuform over it wet and use the pull as a mold into which, stone is poured. Sand the stone plug smooth and you have your hard tool for more vacuforming.

    Hope that helps.

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