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Topic Review (Newest First)
06-20-2010 09:50 AM
Re: Divided Cups for Hand Pouring Laminates and Swirls

I thought of using plastisol to make the template but I went with the Plaster of Paris because I had a mess of it that I wasnt using. It worked out good. I just melted a bunch of plastisol last night... all my scraps... and I am going to use that to make another cup... Im going to post images of the core and template here.
06-19-2010 09:54 PM
Jig Man
Re: Divided Cups for Hand Pouring Laminates and Swirls

Originally Posted by Jared
you can put the pyrex cup on a hot plate?
I did. It wasn't smokin' hot but hot enough to warm the cup before I dumped the other two into it.
06-19-2010 08:34 PM
Re: Divided Cups for Hand Pouring Laminates and Swirls

you can put the pyrex cup on a hot plate?
06-19-2010 05:18 PM
Jig Man
Re: Divided Cups for Hand Pouring Laminates and Swirls

I made mine by heating a cup full of plastisol, letting it cool, then cutting it in half. My aluminum is soffet material left over from last years tornado that hit my house. I just put the plastic template on the aluminum and traced around it.

Jared on my first divided cup I got lazy and put it in the microwave with new plastisol. I guess I got it too hot on remelts and ruined the plastisol and cup. I had to throw it away and make a second one.

Since them I put it on a hot plate to warm up while I melt plastisol in two other cups. I pour equal amounts into the divided cup and pour my swirls. I don't use a divided cup to do laminates. I do two pours.
06-19-2010 01:36 PM
Re: Divided Cups for Hand Pouring Laminates and Swirls

I did have one incident last night that Id like t o get some input on. At one point I did get a crackle noise in the micro and my jb weld was brownish as if it was burnt. Im not sure what caused this. Could this be because an air pocket in the jb weld or could it be a shiny spot?

06-19-2010 01:35 PM
Divided Cups for Hand Pouring Laminates and Swirls

When I first saw a hand poured swirled stickbait of green pumpkin and white I just knew I had to know how to do that. I soon learned it was done with a divided cup.

This is how i make mine:

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I had some left over POP so I poured it into the pyrex and let it set up hard. Then I removed it and sawed it in half.

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This produced the perfect profile of my cup.

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Then i used this half to trace a template out of cardboard

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I then cut the template out of the cardboard.

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The cardboard template was then checked against the cup.

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This is now my permanent template for pyrex 2 cup measuring cups.

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I trace this onto the aluminum I am going to use.

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I cut out the aluminum divider with a pair of scissors.

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I then clean it up good and get out my JB Weld and glue it right in the middle of the cup.

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After letting it cure over night my divided cup is ready to pour.

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I have heard that if you keep the divider as high as the rim of the cup you can pour better laminates... but if you cut it down lower like i did, you can pour better swirls.

And there you go, that is how I make a divided cup.

A couple observations from using the cup so far:

1. yes this CAN be put in a micro but I recommend getting plastic melted and ready to pour before you put it in the divided cup then you only need to reheat and that wont take long. Actually my best recommendation is to have enough cavities so that you can empty the cup out on one run down your molds so you dont have to reheat at all. That is going to be my goal, at least.

2. do your best to keep both sides equal volume or else the side with the greater volume will be the dominant color.

3. if you get any sparking with the alumimuni, which you shouldnt at first, stick a qtip in vinegar and wipe the shiney spot down and let it set over night. that will dull that spot.

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