Foundry's industry-standard 3D texture painting software – designed for high-resolution, multi-channel texture work on complex assets in film VFX and game development, capable of handling UDIM workflows with thousands of textures on models with billions of polygons.
What is Mari?
Mari is Foundry's industry-standard software for 3D texture painting. Developed at Weta Digital for Avatar, Mari is now the standard for high-resolution texture work in film VFX and game development.
Core Principles
| Aspect | Description |
|---|---|
| Function | 3D Texture Painting |
| Manufacturer | Foundry |
| Origin | Weta Digital (Avatar) |
| Target Audience | Film VFX, Games |
Key Features
| Feature | Description |
|---|---|
| 3D Painting | Directly on geometry |
| UDIM Support | Multi-tile workflow |
| High Resolution | 32K+ textures |
| Procedural | Node-based layers |
Why Mari?
| Requirement | Mari Solution |
|---|---|
| High Resolution | Billions of pixels |
| Complex Assets | Thousands of UDIMs |
| Film Deadlines | Robust performance |
| Pipeline | Industry Standard |
UDIM Workflow
| Aspect | Description |
|---|---|
| Multi-Tile | Multiple UV spaces |
| Scaling | Resolution per tile |
| Naming | 1001, 1002, etc. |
| Export | Tile-based |
Layer System
| Type | Function |
|---|---|
| Paint Layers | Manual painting |
| Procedural | Automatically generated |
| Adjustment | Corrections |
| Group | Organization |
Channel Types
| Channel | Usage |
|---|---|
| Diffuse | Base color |
| Specular | Shininess |
| Bump/Normal | Surface detail |
| Displacement | Geometry |
Brush System
| Feature | Description |
|---|---|
| Custom Brushes | Create your own |
| Stencils | Projection |
| Stamps | Detail elements |
| Symmetry | Paint mirrored |
Projection Painting
| Method | Description |
|---|---|
| Camera | Project from photo |
| Triplanar | 3 axes |
| UV | Standard mapping |
| Ptex | UV-less |
Node Graph
| Element | Function |
|---|---|
| Procedural Nodes | Generative textures |
| Filter Nodes | Processing |
| Blend Nodes | Combining |
| Output | Export configuration |
Performance
| Feature | Description |
|---|---|
| GPU Rendering | Fast preview |
| Out-of-Core | Handle large data |
| Caching | Optimized |
| Multi-Threading | CPU utilization |
Pipeline Integration
| Tool | Integration |
|---|---|
| Maya | Plugin |
| Houdini | Exchange |
| Nuke | Foundry Suite |
| Katana | Lookdev |
Export Formats
| Format | Usage |
|---|---|
| EXR | Film standard |
| TIFF | High quality |
| TX/TEX | Render-optimized |
| PNG | Web/Games |
Mari vs. Substance
| Aspect | Mari | Substance Painter |
|---|---|---|
| Resolution | Higher | Limited |
| Complexity | Massive | Medium |
| Procedural | Node-based | Integrated |
| Games | Less | Standard |
Typical Workflows
| Asset Type | Approach |
|---|---|
| Character | Multi-UDIM, Detail |
| Environment | Tiling, Projection |
| Creature | Organic, Procedural |
| Hard Surface | Layered, Masks |
Lookdev Integration
| Phase | Description |
|---|---|
| Texturing | In Mari |
| Shader | In DCC |
| Review | Turntable |
| Iteration | Back and forth |
Version Control
| Aspect | Description |
|---|---|
| Project Files | Versioned |
| Exports | Named |
| Backup | Automatic |
| Collaboration | Pipeline tools |
Hardware Requirements
| Component | Recommendation |
|---|---|
| GPU | High-end NVIDIA |
| VRAM | 16GB+ |
| RAM | 64GB+ |
| Storage | SSD, ample space |
Training
| Resource | Description |
|---|---|
| Foundry Learn | Official |
| FXPHD | Courses |
| YouTube | Tutorials |
| Studio Training | Internal |
Best Practices
| Practice | Reason |
|---|---|
| Layer Organization | Clarity |
| Non-Destructive | Flexibility |
| Regular Saves | Safety |
| Export Presets | Consistency |
Today
Mari remains the gold standard for texturing in high-end VFX. While Substance Painter dominates the gaming sector, Mari is indispensable for film productions with extreme resolutions and complex assets. Its integration into Foundry's pipeline suite (with Nuke and Katana) makes it the top choice for studios worldwide.