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Topic: New resin thread  (Read 320 times)
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steiconi
« on: October 28, 2019 07:27:51 PM »

The random resin thread has lots of good information (along with some misconceptions and a smattering of outdated info), but it's all buried in 172 pages compiled over a decade or so.  And nobody's added to it in years.

Is anybody still doing resin?  I recently got into it and would love to discuss it with other Craftsters.

I'd like to make some transparent hollow pieces, and am trying to figure it out.  Some ideas...

-rotational casting.  I have a rock tumbler, do you think that would work?

-partly filling the mold, then blowing up a balloon inside to keep the center hollow.

-casting two one-sided halves using something to keep the centers hollow, then joining the pieces.

-creating two halves using clear thread dipped in resin coiled into a mold, then joining the halves.  I suspect clear thread won't hold the resin well.

-resin mache, layering thin paper coated in resin into a mold.  Probably translucent instead of transparent.

-blowing resin like glass. The resin would have to set up quickly...

Any experience or theories?
Any favorite YouTubes?
Hot discussion forums for resin?
« Last Edit: October 28, 2019 08:20:01 PM by steiconi » THIS ROCKS   Logged

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« Reply #1 on: October 31, 2019 09:31:11 AM »

Ooh, neat ideas!
The castting two one sided halves sounds the most doable. Put smaller one inside the other, fill space with resin-use a mold release, or something resin won't stick to. Repeat. Join halves with a bit of resin applied with a foam brush?
*just what if-ing here, have not tried it*
Resin mache is interesting me now.
I've poured/brushed resin over paint pour canvases, boxes, and filled pendant molds, and brushed it over mosaic, but that's about it. I'm in the middle of prepping trays to use for making a geode look with resin.
free form resin bowls-https://www.youtube.com/watch?v=92H5YnFt-JM
This also looks nifty! https://www.reddit.com/r/ResinCasting/comments/c3wyik/little_freeform_resin_bowls_reminds_me_if/
I have no idea how the clear thread would work, but I'd love to see it if you try it.
Oh! Use clear wax paper for the paper mache!
« Last Edit: October 31, 2019 09:33:55 AM by bookstorebabe » THIS ROCKS   Logged

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« Reply #2 on: October 31, 2019 09:36:52 AM »

You've got me thinking now.  Grin How about filling the two part mold with clear glass beads or something similar?
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steiconi
« Reply #3 on: November 07, 2019 07:14:05 AM »

I've been experimenting, but am held back by not having good molds.
I can't find them locally, so ordered online. The first ones are taking months to arrive from China, so I ordered ones from the US.  That order was cancelled by the seller because the molds were damaged.  I'm muddling along with half sphere ice cube molds, which are small and don't demold well.

That said, I've had some luck. 
White tissue paper supports the resin and nearly disappears.
Sheer synthetic fabric (I can't think what it's called, stiffer than chiffon) is also promising.
Prettiest test used bits of iridescent plastic snipped from christmas tinsel.  Not see-through, but so sparkly!

I'll post pix when I get something that looks good.
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« Reply #4 on: November 07, 2019 07:17:24 AM »

I haven't read this new resin thread, but I just read this post about not having molds.

Just an FYI, silicone baking molds, and ice cube molds work just as well for molds for silicone items.

I've found silicone molds for cheap at the dollar store, thrift stores, and even on sale at craft stores.  Depending on what you are wanting to make and what can be found, it's a great alternative to buying resin specific molds.

Good luck, and I can't wait to see what you make!
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steiconi
« Reply #5 on: November 18, 2019 06:22:51 AM »

Ooooh, I found a video on how to enlarge or reduce silicone molds.
https://m.youtube.com/watch?v=P6fnGUL307U&t=135s

To make a mold larger, he soaks it in mineral spirits. 
To reduce the size, he mixes mineral spirits into the silicone when he's making the mold, then when it evaporates over several days, the mold shrinks.  Both preserve proportion and details.

I'm developing a craft crush on thecrafsman, he's got some great videos, including one on slush casting.
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