Procedural materials are one of the most powerful features in Blender. Instead of relying on image textures, procedural shaders generate surfaces mathematically using nodes, allowing infinite detail, scalability, and customization without visible repetition.
In this tutorial, you’ll learn how to build a realistic procedural snow material entirely inside Blender.
Step 1: Base Material
1. Split your viewport and open the Shader Editor
2. Create a new material and name it appropriately
3. Make sure you are in render mode so you can see your material
4. Since we will be using displacement, you will need to use the Cycles render engine
5. Also make sure you have the node wrangler add on activated
Step 2: Surface Breakup
1. The Voronoi texture creates the snowy surface breakup
2. Use SHIFT + A to add a Voronoi texture
| The Voronoi Texture node in Blender generates a procedural texture by randomly distributing points, called seeds, which extend outward into regions known as cells. |
3. Select the Voronoi texture and use CTRL + T to add a texture coordinate and mapping node and change the texture coordinate to “object”
| The Texture Coordinate node in Blender is an input node that outputs various coordinate systems (such as Generated, UV, Object, and Camera) to define the vector space for mapping textures onto a 3D model. |
| The Mapping Node in Blender is a vector utility node used to transform image or procedural textures by applying translation (location), rotation, and scaling to the input vector coordinates. |
4. Use CTRL + SHIFT + left-click to preview the Voronoi texture
5. Increase the scale and detail of the Voronoi texture to make a breakup pattern for the snow [75, 10]
Step 3: Color Variation
1. Now create subtle snow coloration
2. Use SHIFT + A to add a mix color node after the Voronoi texture
| The Mix Color node (formerly the Mix RGB node) in Blender mixes two input values—such as colors, vectors, or floats—using a Factor to control the amount of interpolation. |
3. Connect the Voronoi texture distance output to the factor of the mix color node
4. Use CTRL + SHIFT + left-click to view the mix color node
5. The Voronoi brightness values now determine where each color appears
6. Change color A to a slightly gray-blue color [#87A8BCFF]
7. Change color B to a bright white [#D4D4D4FF]
8. Change the roughness down to around 0.05
9. These slight color differences help the snow feel colder and more natural
Step 4: Snow Details
1. Connect the mix color node to the principled shader and the principled shader to the material output
| The Principled BSDF (Bidirectional Scattering Distribution Function) node is the default, all-in-one surface shader in Blender 3D, designed to simplify the creation of realistic materials by combining multiple shading layers into a single interface. |
2. To simulate subsurface scattering, change the subsurface weight to 0.5
3. Select the Voronoi and mix color nodes
4. Use the F-key to add a frame and rename it to base
Step 5: Snow Bump
1. Currently the snow is too smooth, so we need to add some bumpiness to the material
2. Use SHIFT + A to add a bump node
| The Bump node in Blender generates a perturbed normal from a height texture to simulate surface detail via bump mapping, without altering the actual geometry. |
3. Connect the Voronoi distance output to the height input of the bump node
4. Connect the bump node to the normal input of the principled shader
5. This converts grayscale texture information into surface detail
6. Change the distance of the bump node to about 0.1
7. Move the bump node into the base frame
8. For smaller details, use SHIFT + A to add a noise texture
| The Noise Texture node in Blender evaluates fractal Perlin noise at specified input texture coordinates, functioning as a procedural generator for organic patterns. |
9. Connect the mapping node to the vector input of the noise texture
10. Use CTRL + SHIFT + left-click to view the noise texture
11. Increase the scale and detail of the noise texture [6, 10]
12. Use SHIFT + A to add a second bump node
13. Place the second bump node between the first bump node and the principled shader
14. Connect the factor of the noise texture into the height of the second bump node
15. This creates layered bump detail
16. Use CTRL + SHIFT + left-click to view the principled shader
17. Select the noise texture and second bump node
18. Use the F-key to add a frame and rename it to snow details
Step 6: Crack Details
1. Now add crystalline ice crack patterns
2. Use SHIFT + A to add a second Voronoi texture
3. Connect the mapping node to the vector of the second Voronoi texture
4. Use CTRL + SHIFT + left-click to view the second Voronoi texture
5. Increase the scale of the second Voronoi texture [1400]
6. This creates tiny crystalline breakup patterns resembling icy snow reflections
7. Use SHIFT + A to add a third bump node between the second bump node and the principled shader
8. Connect the second Voronoi color output to the height of the third bump node
9. Decrease the strength to about 0.4
10. This sharper bump creates sparkling icy details
11. Use CTRL + SHIFT + left-click to view the principled shader
12. Select the second Voronoi texture and third bump node
13. Use the F-key to add a frame and rename it to cracks details
Step 7: Displacement
1. Bump only affects shading so we will now add true geometry displacement
2. Use SHIFT + A to add a second noise texture
3. Connect the mapping node to the vector of the second noise texture
4. Use CTRL + SHIFT + left-click to view the second noise texture
5. Increase the scale and detail [10]
6. Use SHIFT + A to add a displacement node
| The Displacement node in Blender is a shader node used to physically displace the surface of a mesh along its normal to add geometric detail, supporting both procedural textures and baked displacement maps. |
7. Connect the factor of the second noise texture into the height of the displacement node
8. Connect the displacement node to the displacement input of the material output
9. This converts the texture into real displacement data
10. Use CTRL + SHIFT + left-click to view the principled shader
11. To enable true displacement, open the material properties settings
12. Change the displacement surface setting to “displacement and bump”
13. Now the geometry actually pushes outward
14. Change the midlevel and scale on the displacement node as needed [0.6, 0.05]
| The Midlevel parameter in Blender’s Displacement node defines the neutral displacement value that results in no change to the surface geometry. |
| Displacement Scale determines the physical magnitude of geometry deformation along the surface normal, measured in Blender Units (typically meters). |
15. Select the second noise texture and displacement node
16. Use the F-key to add a frame and rename it to displacement details
Conclusion By combining Voronoi textures, layered noise, bump mapping, subsurface scattering, and true displacement inside Blender, you can create a highly realistic procedural snow material that is both flexible and efficient. Because the shader is fully procedural, it can scale infinitely without texture repetition and can easily be customized for different environments and artistic styles.