Crystal making tips

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Helping Hand
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Crystal making tips

Post by Helping Hand » Tue Nov 29, 2011 4:55 pm

By tomorrow my first batch of plastic resins should be here.

I know people have made crystals before so I wanted to ask if they have any hints, tips or good advice on how I should start.
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Tonya
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Re: Crystal making tips

Post by Tonya » Wed Dec 14, 2011 3:08 pm

You need a Nigel or a Rob....I will poke the latter for you :)
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sm0keyb
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Re: Crystal making tips

Post by sm0keyb » Wed Dec 14, 2011 7:08 pm

Mike & I are already in touch via PM, though you can still poke me, if you like :oops:
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Tonya
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Re: Crystal making tips

Post by Tonya » Wed Dec 14, 2011 11:21 pm

:wink:
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Freeman
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Re: Crystal making tips

Post by Freeman » Wed Jan 11, 2012 11:46 am

*ahem*

Advice? Follow the instructions. Closely.
Measurements of the two-part resin liquids matter. A lot. Be accurate.

Wash your moulds out thoroughly when you're done (and before you start).

Don't be too impatient to get the crystal out of the mould.

Hope that helps.
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Munroe
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Re: Crystal making tips

Post by Munroe » Thu Jan 19, 2012 3:31 pm

What sort of resins are you guys using?

also, what are you using for the moulds?
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sm0keyb
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Re: Crystal making tips

Post by sm0keyb » Thu Jan 19, 2012 4:53 pm

In my case water clear resin for the crystals & RTV silicone for the moulds, both from Maragon http://www.maragon.co.uk/arts-and-crafts.html#Init Don't use anything else but RTV with waterclear resin. For masters you could use metallic hex bar. I made a wooden master. The staff power cell (mine)from the Christmas event & the crystals in the brain in a box (Rob's, I think) were both made with water clear resin & pigment.
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Woody
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Re: Crystal making tips

Post by Woody » Thu Jan 19, 2012 4:57 pm

sm0keyb wrote:In my case water clear resin for the crystals & RTV silicone for the moulds, both from Maragon http://www.maragon.co.uk/arts-and-crafts.html#Init Don't use anything else but RTV with waterclear resin. For masters you could use metallic hex bar. I made a wooden master. The staff power cell (mine)from the Christmas event & the crystals in the brain in a box (Rob's, I think) were both made with water clear resin & pigment.
The crystals in the brain in a box from january event were mine along with the brain in a box. Bought them as is no idea what they are made from.
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Munroe
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Re: Crystal making tips

Post by Munroe » Tue Jan 24, 2012 4:50 pm

OK, Any idea how much silicon I'm looking at to make a mould for, say, an 8" long, 1" wide crystal?

Just as a guesstimate. is 250g going to be enough? I assume so, but I dont want to annoy myself by not ordering enough.
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Re: Crystal making tips

Post by Freeman » Mon Feb 20, 2012 11:53 am

Haven't seen any further replies here - if you did go for 250g was it it enough?

When I did mine I made 3 smaller ones, one long-ish one and a pyramid one.
Although I think I need to go back and re-do the long one as at the moment I can't find the mould. But I bought it, I'm pretty sure, in a larger quantity than that, largely to cover any errors in the casting as it was my first attempt.
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