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1  MISCELLANEOUS TOPICS / Discussion and Questions / Preserving Spider Webs on: August 24, 2013 10:10:14 PM
I find spider webs to be very nice natural works of art.  I read about a technique using hairspray or stick glue and construction paper to catch a web, but I had another idea and want to see if anyone has some advise how I could do this.  I was thinking if I bought this: http://tinyurl.com/lcynwd2 and could apply it evenly somehow to the web and then I was thinking of using clear plasticast resin almost cured but still slightly tacky in a nonstick pan to catch the web and then pour more resin on top of that.  After it hardened I could remove it and the web should glow in the dark.  I could use fluorescent powder as well and mount some type of blacklight under the final plasticast piece.  I want to know how I could apply the powder evenly and how to catch the web using some type of mold half filled with almost cured resin.  AND would the heat from curing resin destroy the web.  I have some plasticast but have never used it yet.

I wanted to add I do preserve webs digitally using PaintShop Pro.  I take a digital photo of the web using manual focus (difficult to get webs with auto-focus) and open it in PSP.  Add a raster layer with a transparent background.  Use very light gray and the Line tool set at the smallest width with anti-aliasing on.  I digitally trace every strand of the web and then when I am done I copy the whole layer and paste on a black background.  It's time consuming but I enjoy it.  I find if I make the lines white, they appear too thick.  Gray works better.
2  MISCELLANEOUS TOPICS / Discussion and Questions / Silicone Mold And Resin Technique on: October 16, 2012 10:34:28 AM
I'm new to silicone molds and resin.  Not new to crafting.

I want to make a silicone rubber mold of some keys removed from a keyboard.  I am using a clear resin for the casting material. I also am going to mix some pigment in with the resin.  I want the finished keys to be a transparent neon green (via the pigment). I read reviews that with Amazing Mold Putty, the putty is not that smooth and clear objects made from resin in these molds will come out cloudy instead of clear due to the slight texture of Amazing Mold Putty.  Also I have never done this before, so I want to know the best way. 

I was planning on making or finding a cube shaped box (approx 2" x 2" x 2") and filling it a little with the silicone compound, putting the keyboard key in and fill the cube up to the top with the remaining silicone.  Let it harden and (blindly I guess) cut the cube in half with a razor blade hoping I find the key right in the center of my cut so when I take the two haves apart and remove the key, I have a complete mold. Then I was going to fill each half with water and suck all the water back out with a syringe and note the CC level in the syringe. Then I was going to put the two halves back together without the key and using a drill bit without the drill, twist it by hand and drill a hole down to the cavity that was left by the keyboard key.  Then I was going fill the syringe to the same CC level with the green resin and inject it into the hole.  Let cure and hopefully remove an exact copy of my keyboard key only transparent neon green.  Then I was going to use rub on letters and cover each key with light coat of clear nail polish so the letters do not rub off and then replace the keys on my keyboard with a small LED underneath to light the whole thing.

Here are my questions:

1). Is this plan doable or is there an easier way?  Harder way?
2). What is the best silicone to use so the keys are smooth, clear and I get the best results?
3). The resin pigment I found online is a powder.  Does this mix well with the resin without clumping or leaving undisolved grains of pigment?  Is there a liquid pigment out there that works better?

Thank you very much.  Smiley
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