Pourable acrylic for casting computer housing? Other clear materials to cast?

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If anyone is still wondering, here's what I've tried so far:

Ice Resin - 2 part epoxy, listed as 'jewelers grade' - good clarity, good detail reproduction, again, gets bendy when temps get too warm (90-100 deg?).. Some small bubbles, but not enough to impair functionality I think. Poured some smaller parts with this and it seems good for that task, but probably not for this 3D cylinder stuff. Better than castin' craft, but still not good enough IMO.

Copy on left, original on right.. slight color difference, but optically pretty clear:
copy_and_original.jpg


Will continue to add to this thread once I get the Smooth On product and have some time to try it!

have a look at this stuff, scroll down the page to the optical marine grade, easy to get and works very well.
AeroMarine Products - Casting Resin

For mold making here is a company that is very helpful.
Mold Making Videos - Silicone Rubber, Urethane Casting Resin, & more
 

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