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Topic: Help with Casting Mold -- Making Bath Bombs into shapes  (Read 1156 times)
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laurenrox
« on: January 08, 2012 02:42:53 PM »

Hello!

I don't know if this is the right forum, but I did a search for "molds" and couldn't find an answer.

I'd like to make Bath Bombs in a specific shape. I made that shape out of clay -- it's a dragon's egg  Now I needed to make the mold around it.

I tried a plaster mold from Michael's, but after I pushed the egg in halfway...I couldn't get the egg back out! I even greased it up with oil beforehand, but that sucker stayed in there.

There's got to be an easier way to do this, right? Should I buy one of those cheapo "My First Handprint" things, and just do both sides manually?

Any advice would be much appreciated!

Thank you!
--Lauren
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« Reply #1 on: January 08, 2012 10:03:54 PM »

Hi! Hmm, good question, I'm not sure if I've seen someone make a bath bomb mold before. There is a silicone mold thing you can get to make molds. How big is your egg? Can you find an egg shape in a silicone or metal cupcake mold or an ice cube tray?

I use metal cupcake pans and the trick is to smush them in super hard (I press down on the top of them with a bottle that just fits inside the molds) and then immediately unmold them with a pretty hard bang on the counter.
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laurenrox
« Reply #2 on: January 09, 2012 11:14:23 AM »

Thanks for your reply!

The problem with a pre-existing egg shape is that I want a specific egg -- specifically this one: http://www.fiendle.com/images/cosplay_gott_dragonegg2.png

I made it out of clay first, but I just need to find something to...mold around it. Cast it? Is that the right word? So I will have the negative space to shape the bath bombs with!

And do you have the name of the "silicon mold thing" you mentioned? That sounds perfect!
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« Reply #3 on: January 09, 2012 11:30:27 AM »

Wow, that's really pretty. I'll look and see if I can find my kit and tell you what it's called exactly Smiley
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laurenrox
« Reply #4 on: January 09, 2012 12:04:48 PM »

Oh, I can't take credit for that one! I just googled that Smiley
Mine is like that but smaller...and sculpey colored, haha.

Thanks in advance!
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« Reply #5 on: January 09, 2012 07:22:20 PM »

they have the amazing mold putty..

http://amazingmoldputty.com/

Ive used it to make polymer clay pieces..VERY detailed..and I MEAN DETAILED..I had a speck on one of my pieces that stayed..grr..

anywho..just be sure to make it thick enough so you can push out the bath bomb when its set Smiley

good luck..make sure to post when you are done..
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laurenrox
« Reply #6 on: January 10, 2012 10:44:38 AM »

This looks EXACTLY RIGHT!

Buying some now! Hooray!

I will definitely post when I'm done Cheesy
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