Ghostbusters clippard mould making: help

Discussion in 'Replica Props' started by Kormier, Apr 15, 2012.

  1. Kormier

    Kormier Well-Known Member

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    Well, I'm almost down to my last Minimatic Clippard (I got a bunch a few years back) so I would like to produce resin casts of them for use on future proton pack builds. I have very limited experience with mould making and I would like to know what would be the best method to make a durable mould of the clippard for repeat casting. My educated guess is that given its shape it would probably be best to do a 2 parts mold with the clippard being horizontal (so that the part line is along the length, from top to bottom.)
    I'll use one of the smooth-on liquid rubber for the mold.

    Any tips would be appreciated. Thanks, as always!:)
     
  2. Jaruemalak

    Jaruemalak Well-Known Member

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    Personally, I'd make it a one piece mold, with the Clippard sitting upright. It is (basically) a cylinder, and since the bottom of the Clippard is resting on whatever prop you are attaching it to, it doesn't need super-detail. Makes it easy to fill the mold and sand or file any excess off the bottom of the finished casting. That's what I did and it worked great.
     
  3. Kormier

    Kormier Well-Known Member

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    Thanks. That is good to know. I thought that maybe a one piece would be a problem because of the small undercut under the "cap".
     
  4. exoray

    exoray Master Member

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    Remove the cap and make a separate mold for the cap...
     
  5. Filandrius

    Filandrius Well-Known Member

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    Seconded. That way you could use a real brass thread between the two. Knock the accuracy up a notch.
     
  6. Kormier

    Kormier Well-Known Member

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    That is a great idea! Yet so simple but It never even crossed my mind.
     

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