Creating Foil Sticker Effects with Custom Three.js Shaders
By
ibobev
Master baker tier. Every paragraph earns its place on the tray.
Summary
A technical tutorial demonstrating how to create a custom Three.js shader that simulates foil sticker effects with iridescence and metallic flakes. The article explains the physics behind iridescence (thin-film interference) and provides step-by-step guidance on implementing angle-dependent color shifts, procedural flake generation, and real-time rendering techniques for achieving holographic sticker visuals in web browsers.
Key quotes
· 3 pulledThe goal is to capture that premium, holographic effect you see on collectible stickers, trading cards, and high-end packaging, but to render it in real time directly in the browser.
In the real world, this rainbow shimmer comes from thin-film interference. When light wave
A breakdown of how to build a custom Three.js shader that recreates the iridescent, sparkling look of foil stickers using vertex deformation, angle-based color shifts, and procedural flakes.
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