Glass Perfume Bottle

Deep blue glass perfume bottle with a glossy dark cap, on the edge of a dark pedestal, rippled blue caustics filling the shadow beside it.
Deep blue glass perfume bottle with a glossy dark cap, on the edge of a dark pedestal, rippled blue caustics filling the shadow beside it.
The same bottle in deep red, its caustics reading darker and softer against the pedestal.
The same bottle in deep red, its caustics reading darker and softer against the pedestal.

A glass perfume bottle in two color variants. Light passes through the liquid and lands as real caustics on the surface below — simulated in Blender, not painted in afterwards.