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22 real-time procedural OSL shaders for Octane Render.
Core Noises
Stellar Noise
Stellar Cell Noise
Stellar Spots
Stellar Gabor
Specialty Shaders
Stellar Atmo
Stellar Bands
Stellar Cracks
Stellar Crater
Stellar Rings
Stellar Rocks
Stellar Stars
Stellar Streaks
Flow Shaders
Stellar Curl
Stellar Vortex
Stellar Tendril
Utility Shaders
Stellar Palette
Stellar Flux
Stellar Falloff
Stellar Levels
Stellar Projection
Stellar Merge RGB
Stellar Split RGB
Core Noises
The Core Noises are a great start to any material. They give you mathematically perfect, infinite-resolution, non-tiling textures right out of the box.
Stellar Noise packs five distinct types, including a couple of awesome Eroded variants that simulate realistic physical terrain. Stellar Cell Noise is perfect for complex structural branching and cellular patterns. Stellar Gabor is great for anything from brushed metals to sand dunes. Stellar Spots is amazing for water drops and grunge.
Every noise shader has a warp input so you can easily distort it with other maps to really make things feel organic. They all look amazing and are optimized to absolutely fly on your GPUs.
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Specialty Shaders
The Specialty Shaders are where things get really fun. These are purpose-built tools for creating planets, moons, and celestial environments.
Stellar Atmo gives you physically accurate atmospheric scattering—the kind of glowing halos and gradient skies you see on real planets. Stellar Bands generates the swirling horizontal cloud layers you'd find on a gas giant like Jupiter. Stellar Rings creates detailed planetary ring systems, and Stellar Stars gives you a fully controllable starfield with realistic color temperature and animatable flicker.
On the surface side, Crater, Streaks, Cracks, and Rocks all share the same grid system, so they align perfectly. Drop craters into your terrain, and the Streaks, Cracks, and Rocks will all respect the same position. Every surface shader outputs packed RGB channels, so you can cleanly split out height, masks, and random IDs separately.
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Flow Shaders
The Flow Shaders have to be one of the most exciting parts of this toolkit. They generate real fluid dynamics natively inside a procedural shader—no simulation caches, no baking, just pure magic!
Stellar Curl creates swirling, organic flow patterns that look exactly like the real thing. Think gas giants, ocean currents, or abstract fluid art. Stellar Tendril generates deep, layered turbulence—perfect for smoke, fire, and those wispy tendrils you see in real nebulae. Stellar Vortex scatters individual spinning cyclones across a surface, each one rotating independently with natural falloff.
Every flow shader has 4D Evolution built in, so you can animate seamless fluid motion with a couple keyframes.
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Utility Shaders
The Utility Shaders are the everyday nodes you never knew were missing.
Stellar Projection is the XYZ to UVW projection mode enhanced—full 3D transform controls with built-in distortion and warping. Stellar Palette maps anything into beautiful color palettes using nine biome presets, or feed it your own images to extract colors directly. Stellar Levels and Stellar Flux give you tight control over any values—remapping, scanning, and shaping with insane precision.
Stellar Falloff generates smooth view-angle gradients—pair it with Stellar Atmo to get beautiful atmospheric falloff at the edges of a planet. Merge and Split RGB let you pack and unpack channel data, with Merge including built-in sliders for instant control over channel strength right at the source.
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Drops right into your favorite 3D app running Octane Render.
A few of the heavy hitters
Stellar Projection
The XYZ to UVW projection mode, completely upgraded. Get full 3D transform controls with crazy-powerful built-in spatial distortion. Warp, twist, and organically break up your procedural textures with a single node.
Stellar Levels
Tweaking float values with a gradient node can be tedious. Photoshop-style levels straight into your node graph. Get exact, predictable control over any mask or data map with true value remapping for black points, white points, and midtones, plus contrast control to dial it all in.
Stellar Noise
One of my favorite noise nodes packs five carefully selected algorithms into a single optimized shader. From complex fractals to pseudo-erosion, every parameter is intentional. Get full detail control, dedicated roughness, and a built-in warp input.
Stellar Palette
Manually building colors in the standard gradient node is super restrictive. Get beautiful, predictable color mapping with a dedicated Palette generator node. Plug anything in and instantly shift, swap, and dial in complex procedural colors.