Soap bubble material with thin-film colours
In your harnessBlender toolMIT
Build a soap bubble material: a reflective layer whose thin-film thickness grows from top to bottom like a draining film and swirls with noise, mixed over a transparent shader by Fresnel so the bubble is clear face on and iridescent at grazing angles. Use it for bubbles and iridescent films.
What it takes and gives
- Operator
- baltor.material_soap_bubble
- Parameters
- material_name, top_thickness, bottom_thickness, swirl, swirl_scale, film_ior, assign
- Result
- One material with a node tree; assigned to the active object.
- Blender
- 4.2 or later
- Axes
- Blender Z up, -Y forward
- Units
- metres
Limits. Needs the Thin Film inputs of the Principled BSDF (Blender 4.2 or newer). The film is shaded on a single surface with no refraction through a liquid layer, which suits thin bubbles but not thick soap water. Drainage follows the object's generated Z, so rotating the object rotates it. Rendered here with Cycles CPU only. Verified in Blender 5.2.1; written for the 4.2 API.
Details
- Kind
- Blender tool
- Engine
- Blender 4.2 or later
- Files
- 11 files, 116.6 KB
- Licence
- MIT
- Declared effects
- runs commands
- Checked with
- Blender 5.2.1, background (Cycles CPU for previews)
- Checks
- addon install and enable, operator runs with defaults, blender data matches core, addon disable unregisters, script mode runs, clean reopen addon file, clean reopen script file, gltf separate export, engine output clean
- Techniques
- Thin-film interference through the Principled BSDF thin film inputs, Gravity drainage as a thickness gradient over height, Fresnel mix of a transparent and a reflective shader
- Tags
- blender, material, shader nodes, thin film, iridescence, bubble, transparent
- Identity
library.supply.creative_originals.0d83b1ba35edc47858c2058b.3f76cbae80cae57e- Version
3f76cbae80cae57edf60c419b229d43a2a05e3d762c31af0098ed143738044f9
The version is the SHA-256 of the item your harness downloads; every file in it names its own checksum.
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