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Resin Addict Forum • View topic - Mold with Inner Structure
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Mold with Inner Structure

Questions and discussion of tools, materials and techniques.

Moderator: Wardens

Mold with Inner Structure

Postby Captasty » Thu Dec 22, 2016 3:17 pm

Hello,

I am looking to cast a 3D print I will be making soon. It is a square shape with an inner cross shape. Think a cube with a hole in each side going all the way through to the other side. I am very green in molding and cannot quite determine the best way to make a cast of it.

I just don't see how to remove the model once cast because the cross shape locks it in.

Thank you
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Re: Mold with Inner Structure

Postby Gadzooks » Mon Dec 26, 2016 11:00 pm

Lots of things are printable but not cast able

Would need to see some pics to really determine
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Re: Mold with Inner Structure

Postby Captasty » Wed Dec 28, 2016 7:44 am

Here is a link to two photos of the rough structure. http://imgur.com/a/vyaPH This will be most likely be a rubber like material. Poles will be inserted into the holes, so a 2 part mold that is glued would most likely not be strong enough.

Thank you.
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Re: Mold with Inner Structure

Postby Fleafa » Tue Jan 03, 2017 9:56 pm

Whilst that is castable, it would require a complex mould. I wouldn't even attempt it, personally.


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Re: Mold with Inner Structure

Postby Strawman » Fri Jan 20, 2017 2:49 am

would it be possible for you to print the piece in two halves, and then just fit them together after? That would be much easier to cast.
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Re: Mold with Inner Structure

Postby Blindhorizon » Fri May 19, 2017 6:56 pm

Get a sharp blade and bend the mold back once you cut to the square and run the blade through the connecting piece that locks it in. 1 clean cut and the piece should come back together and kit cause many issues casting. I have cast plenty of items that get locked into molds.

What type of mold are you considering for this? 1 part of 2 part mold?

Edit: I saw the second imag fleafa is 100% correct that would be a butch of a mold, the other guys idea of cutting it in half and making molds of that would be way easier.
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