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Workshop

Grooming in Yeti

A Workshop
by Victor Javier Garza

Hair Solutions for an Animation Pipeline with Victor J Garza

intermediate
2h 21m 39s
21 Lessons
A Workshop
by Victor Javier Garza
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This animation workshop by Victor Javier Garza, Hair & Cloth Lead in the film and TV industry, introduces how Yeti can be used to create convincing hair for use in a professional animation pipeline. Over 21 chapters, Victor reveals how Yeti’s tools go far beyond simply grooming hair while providing all the steps needed to create your own finalized groom.


The subject for the groom created in this workshop is based on Kurt Russell's star-level mullet of the 1980s. Kicking the lecture off in Maya, Victor introduces the flexibility of Yeti’s node-graph workflow before covering Yeti’s extensive, robust toolsets and discussing how they are used to progress a groom through the various stages of a production pipeline. In addition to creating an impressive mullet-style hair groom, Victor also shares how to handle the eyebrows, eyelashes, and beard groom.


Victor details each step involved in making a professional-looking digital hairstyle, including how to handle look-development in V-Ray and use the V-Ray Next Hair Shader for realistic results. After completing this 2+-hour workshop, you will have a sound understanding of how Yeti is used by professional artists to finalize a hair groom for film or TV.

21 Lessons

01Yeti Nodes and GraphFree

Victor Javier Garza introduces his workshop with a lesson that provides a foundational overview of setting up a basic Yeti hair system in Maya, focusing on the proper node hierarchy and connections needed to generate hair on a 3D model. Victor's systematic approach of creating nodes, establishing inputs, and building the graph network demonstrates the modular nature of Yeti's workflow. Understanding this basic setup is crucial before moving forward with more advanced features, such as creating guide strands and refining hair appearance.

Duration: 5m 24s

Yeti Nodes and Graph
02Strands Setup

This lesson provides foundational knowledge for grooming hair using Yeti, focusing on the importance of understanding strand attributes and segment density. By adjusting parameters such as segment length (set to 0.5 for adequate control points) and using features like strand conforming, artists can learn how to efficiently create natural-looking hair systems. Mastering these basic controls is essential before moving on to more advanced grooming techniques.

Duration: 4m 4s

Strands Setup
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03Groom Tools

This comprehensive lesson on hair-grooming tools provides essential knowledge for styling 3D character hair. Understanding how to properly use strand selection, adjust tool parameters such as base/tip influence, and control surface interactions is a fundamental skill for effective hair grooming. Victor's lesson concludes by preparing to apply these techniques practically by creating a Mohawk hairstyle for his Kurt Russell-inspired character.

Duration: 7m 41s

Groom Tools
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04Groom Sculpting

Creating a Mohawk hairstyle in Yeti involves a systematic workflow of adding and shaping guide strands, connecting nodes correctly, and strategically controlling hair growth using selection sets. Victor shares his key to achieving a polished result: adding sufficient guide strands for resolution and leveraging mirroring tools for efficiency, while avoiding common pitfalls such as duplicate, overlapping curves. His workflow demonstrates how proper guide-strand placement and grooming techniques directly translate into the final hair shape and volume.

Duration: 10m 18s

Groom Sculpting
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05Viewport Display Settings

Yeti's display settings are essential tools for efficient hair-grooming workflows in Maya. By progressively increasing viewport density during the grooming process, artists can learn how to make informed decisions about strand placement and overall density requirements. Learning to regularly check your work at higher display percentages helps ensure a high-quality final result while avoiding unnecessary high hair counts that could impact performance.

Duration: 1m 51s

Viewport Display Settings
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06Building Kurt Reference

This lesson demonstrates the importance of thorough reference gathering and analysis when creating realistic digital hair and grooming. By carefully selecting reference images that highlight the hairstyle's most distinctive features, Victor establishes a clear roadmap for recreating Kurt Russell's iconic mullet with Yeti's grooming tools, showcasing both technical execution and artistic interpretation.

Duration: 1m

Building Kurt Reference
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07Pre-Groom Planning

This lesson emphasizes that 3D hair creation, while it can feel potentially overwhelming, becomes manageable through proper planning and systematic sectioning. By breaking down the hair into distinct areas and using density maps as guides, artists can learn how to tackle hair grooming methodically, whether working in a professional pipeline or on personal projects. The key is to start with a clear organizational structure before diving into the actual groom work.

Duration: 1m 16s

Pre-Groom Planning
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08Yeti Network Setup and Texture Node

This lesson provides a technical foundation for creating hair systems in Yeti by establishing a proper node network and implementing texture-based controls. The key lies in understanding how to use density maps with correct UV coordinate expressions and UDIM workflows to achieve precise control over hair placement on 3D geometry. Mastering these fundamental connections and technical details is essential for creating realistic hair and fur in Maya using Yeti.

Duration: 4m 9s

Yeti Network Setup and Texture Node
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09Groom

This lesson emphasizes that successful digital hair grooming requires careful planning, strategic strand placement, and iterative refinement. Victor explains why, while thousands of fibers will ultimately fill out the groom, neglecting to add sufficient guide strands — especially in directionally complex areas — will result in unconvincing computer-generated interpolation that may become apparent during lighting. He teaches how to build a solid foundation of well-placed guide strands that can be progressively detailed until the desired result is achieved.

Duration: 14m 47s

Groom
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10Hair Part

This lesson demonstrates an essential technique for creating realistic hair parts in Yeti by using painted attributes to control strand influence. Victor highlights how custom attributes allow precise control over fiber direction and behavior, enabling grooming artists to separate hair into distinct groups. He also explains why understanding that attribute names must be lowercase and that paint values determine strand influence is critical for successfully implementing this workflow in production environments.

Duration: 8m 13s

Hair Part
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11Clumping

In this lesson, Victor provides a comprehensive workflow for creating natural-looking hair clumping in Yeti by using guide fibers to group render fibers. The ability to paint custom attributes and use multi-level clumping gives artists fine control over hair behavior in specific areas and creates more realistic variation in clump sizes. Mastering these techniques enables sophisticated hair grooming that avoids common issues such as cross-parting clumps while maintaining natural-looking hair groupings.

Duration: 11m 24s

Clumping
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12Duplicating Groom Network

This lesson emphasizes an efficient, modular approach to complex hair grooming by duplicating and modifying existing networks rather than repeating the entire process. Victor's workflow demonstrates professional grooming practices: building out all necessary components first, then refining details later. His methodology saves time and maintains consistency across multiple hair sections while allowing for customization of individual pieces.

Duration: 4m 35s

Duplicating Groom Network
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13Eyebrows & Eyelashes

This lesson provides a practical workflow for creating realistic eyebrows and eyelashes in 3D using industry-standard tools. Victor discusses the importance of proper planning in the density mapping stage and leveraging existing network structures to streamline the grooming process. By carefully adjusting technical parameters and using appropriate selection methods for different facial hair types, artists can learn how to efficiently achieve believable results.

Duration: 12m 15s

Eyebrows & Eyelashes
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14Mullet Groom Fine Tuning

This lesson focuses on the technical refinement phase of 3D hair grooming, where proper blending between hair sections is crucial for realistic results. Victor demonstrates a systematic approach to identifying and fixing issues by combining texture map editing, guide strand manipulation, and the strategic addition of transition hairs. The result is a more cohesive hairstyle where individual components flow naturally into one another rather than appearing as separate, disconnected pieces.

Duration: 6m 59s

Mullet Groom Fine Tuning
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15Beard Groom

This lesson demonstrates a systematic approach to facial hair grooming in 3D, emphasizing the importance of iterative refinement and proper technical setup. By completing all facial hair elements (eyebrows, eyelashes, sideburns, and beard), Victor establishes a solid foundation before moving into the look-development phase. His workflow demonstrates how reusable node networks and careful parameter adjustments can efficiently generate realistic hair effects across a range of lengths and densities.

Duration: 5m 20s

Beard Groom
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16Shading and Rendering

In this lesson, Victor provides a systematic approach to achieving photorealistic hair rendering in V-Ray, emphasizing the importance of matching render settings to viewport display and using transparency techniques to soften harsh fiber ends. He explains why realistic hair requires careful attention to multiple attributes (density, width, shader properties, and transparency) working together, with each hair element (mullet, beard, eyebrows, eyelashes) potentially requiring its own specific adjustments to achieve natural-looking results.

Duration: 9m 46s

Shading and Rendering
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17Beard Closer Look

In this lesson, Victor showcases a comprehensive approach to grooming a beard. Since short hair is affected by various attributes differently, it's important to manipulate subdivisions, density, and shader nodes to achieve a realistic look. This lesson demonstrates an easy way to analyze different hair types and address the changes needed to achieve the highest levels of realism. Victor shows how to transform a sparse beard into a convincing 5 o'clock shadow through careful technical refinement.

Duration: 5m 14s

Beard Closer Look
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18Guide Node Setup for Animation

This lesson bridges grooming and animation by showing how to convert static hair grooms into rig-driven, animatable assets. By creating parallel FK and dynamic curve systems connected via Yeti's guide nodes, technical artists can give animators flexible control over hair movement while preserving the artistic intent of the original groom. Victor's methodology ensures hair masses respond appropriately to animation rigs while maintaining visual quality throughout the production pipeline.

Duration: 7m 4s

Guide Node Setup for Animation
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19Switch Node Setup and Groom File Publishing

This lesson provides a comprehensive workflow for creating a production-ready hair grooming system with dynamic switching capabilities. By using custom variables and expressions to bridge Maya's attribute system with Yeti's graph editor, artists can learn how to create flexible, artist-friendly controls for complex hair setups. Victor's versioned export process ensures the groom can be safely published, updated, and reintroduced into scenes as needed throughout the production pipeline.

Duration: 5m 27s

Switch Node Setup and Groom File Publishing
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20Yeti Groom File Pipeline

Successfully importing Yeti hair grooms into animation rigs requires careful attention to establishing proper connections between cached data and live scene elements. The key is to ensure that all technical components (selection sets, rest positions, texture references, and input overrides) are properly configured so that the hair system responds correctly to character animation while maintaining rendering quality. Victor's workflow enables animators to work with optimized hair systems that update dynamically with character movement.

Duration: 8m 26s

Yeti Groom File Pipeline
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21Animation Alembic Export and Rendering

This final lesson completes Victor's production pipeline for hair/fur grooming in Maya, emphasizing the importance of proper file organization and cache management. He explains that, while Alembic export simplifies rendering by removing dependencies on complex rigs and Yeti networks, technical details such as density settings must be carefully managed to achieve correct results. His workflow represents industry-standard practices for handling complex hair simulation in animation production.

Duration: 6m 26s

Animation Alembic Export and Rendering
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Primary tools

For this workshop you’ll need:

Yeti
Mudbox
Maya
V-Ray

* Note that these programs and materials will not be supplied with the course.

Project Files

When you download the workshop files, you'll get access to a complete Maya grooming project. Inside, you'll find:


  • Maya project files (.ma) – Ready-to-use character scenes including animation setups and asset publishing files for the Kurt character
    - Skin textures & maps (.tif) - Textures and maps consisting of color, normal, height, guide, and density maps
    - HDR lighting environments (.hdr) - Professional aircraft workshop and wooden lounge environments for realistic scene lighting
    - Workshop segments - Organized lesson files that guide artists through each step of the character development process
  • These project files have been provided by the instructor to make it easier to follow along with the workshop.

Skills Covered

Who’s this Workshop for?

This workshop is structured for intermediate to advanced 3D artists, hair groomers, and look development artists working in film and television production. Artists with basic Maya knowledge who want to master professional hair grooming techniques using Yeti will find this particularly valuable.


The workshop provides industry-standard workflows and professional techniques that translate directly to production environments, making it essential for anyone pursuing a career in high-end hair grooming.

Learning Outcomes

Artists will leave this workshop having developed comprehensive skills in professional hair grooming using Yeti's node-graph workflow for film and television production.


Key skills include:

  • How to navigate and utilize Yeti's node-graph workflow for complex hair grooming tasks.
  • How to create convincing mullet-style hair grooms using Yeti's extensive professional toolset.
  • How to groom facial hair, including eyebrows, eyelashes, and beard, using industry techniques.
  • How to progress hair grooming through various stages of a professional animation pipeline.
  • How to handle look development in V-Ray for realistic hair rendering results.
  • How to implement V-Ray Hair Shader for professional-quality hair appearance.
  • How to finalize hair grooms to meet film and television production standards.
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Workshop
Grooming in Yeti
Hair Solutions for an Animation Pipeline with Victor J Garza
A Workshop by Victor Javier GarzaHair & Cloth Lead at DreamWorks Animation
intermediate
2h 21m
21 Lessons
Instructor Victor Javier GarzaHair & Cloth Lead at DreamWorks Animation

Victor Javier Garza is a Hair & Groom artist with over a decade of experience in film, commercials, and television. Specializing in digital hair and related techniques, he has collaborated with leading film VFX studios, commercial houses, and animation studios.


At DreamWorks Animation Television, Victor has been responsible for creating hair and fur for numerous characters, while also providing technical expertise to integrate these creations seamlessly into animation pipelines. Known for his blend of artistry and technical precision, he continues to leverage advancements in digital hair technology, enhancing the realism and expressiveness of animated media across screens of all sizes.

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