In this tutorial we take a look at the intricacies of what makes a convincing soap film shader. For more info visit 00:14 - Thin Film Interference Explained 01:43 - Soap Films in Real Life 03:15 - Soap Film Shading in Octane Standalone 05:57 - Soap Film shading in Mantra (The Quick And Dirty Way) Download Project Files (.orbx / .hipnc): Andrew Glassner's brilliant paper on soap bubbles: