(Comment+props) Really learned a lot from this. Especially "glossy over bump" to produce internal refraction - works like ...
(Comment+props) Really learned a lot from this. Especially "glossy over bump" to produce internal refraction - works like a charm but is certainly non-intuitive.
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techworker1 (techworker1)One note: I started with an empty .blend file, added a mesh, and tried the dispersion technique; wasn't getting anything to happen. Then I noticed the mesh dimensions (quite small) in the example file. Scaled down my mesh greatly to 0.1-0.2 BU range, and voila. Apparently [node scale] x [mesh max dimension] must be around 2.0.
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Absorption, not dispersion (arrgh)
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crewGood point - The absorption isn't synced with the scale of an object. Thanks for offering advice about node scale x mesh dimension!
And thanks for watching the course offering positive feedback :)