Most fire materials for Vue and bryce, suck, it's just limitation of the systems it seems,always have problems some how, or ti doens't look good, so it's usually far better to import a good photoshop image with alpha, and use as a billboard.

I may have cracked it, to an extent.

Was messing around today...check this...until Vue has particle system, is about best I can do, lol.

Sphere on left, Two terrains rotated 90 degrees on right (a better shape would help of course, but it was quickly painted terrains, symetrical terrains, aka, a lattice in Bryce, so it's solid for a volumetric to work with)
:)

(course, somone has probably made some mat that's much better, and I'm behind the times, lol)

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