made improvements to the "finished" piece render from my glassblowing simulation, particularly fixing the ridiculous dark shadow cycles casts from clear glass, replacing it with a much nicer transparent shadow with artificially augmented caustics using the amplified-transparency trick.

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fun facts: i customized the caustics texture to approximate the actual geometry, to give more appropriate looking results...
i also gave the glass a blue tint, the color of which is the complement of the blackbody radiation color it's glowing in at the beginning of the animation. so it's not just an apt color, and nice contrast, but bookends with precisely opposing hues.

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