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Workshop

Mechanical Character Design

A Workshop
by Joe Peterson

with Joe Peterson

intermediate
3h 21m 15s
16 Lessons
A Workshop
by Joe Peterson
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In this tutorial, concept designer Joe Peterson breaks down the process of creating a mechanical character using only a story outline as the starting point. With the initial premise being a believable sci-fi future world, Joe sets out to design an appropriate mechanized unit for a high-tech SWAT team. He begins by discussing how this initial idea influences the entire design process, beginning with reference gathering and following all the way to the final detailing and rendering phases. Joe demonstrates how, once a level of technology is decided on, the appearance and features of the mechanics are much easier to design. Throughout the tutorial, he discusses the balance between using imagination over using real-world design elements and the importance of building up a visual design vocabulary to help make informed design choices, leading to appropriate mechanical designs. By walking through every step, from initial sketch, to refinement, detailing and final rendering, Joe shows his process of balancing imaginative features with real-world design to deliver a convincing, yet unique and creative mechanical design. He also discusses how to frame your mechanical design around the needs of the story or setting, ensuring that the context will help drive your creative decisions along the way. This tutorial offers various techniques and processes for creating and refining a mechanical design that is intended to not only look cool, but also communicate its function at a glance.

16 Lessons

01Plan and ReferenceFree

In this workshop, Joe Peterson sets out an approach to mechanical character design that grounds futuristic concepts in existing technology. Through careful planning, reference gathering, and by making thoughtful design choices, he ensures that the final design feels like a natural evolution of current technology.

Duration: 6m 43s

Plan and Reference
02Rough Sketch

This lesson highlights experimentation during rough sketching. The ability to transform proportions and silhouettes enables artists to create designs that have a stronger visual impact. The key is to resist becoming attached to initial sketches, instead treating them as malleable foundations that should be pushed, tested, and refined until the overall composition conveys the energy desired.

Duration: 11m 39s

Rough Sketch
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03Adding Limbs

This lesson illustrates how to balance multiple objectives while designing a character. Artists should keep in mind that successful concept design involves constant experimentation with form, thoughtful consideration of how details communicate function and origin, and begin by working from rough shapes. These methods lay the foundation for creating believable characters.

Duration: 10m 52s

Adding Limbs
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04Mechanical Details

This lesson demonstrates an exploratory approach to mechanical character design where functionality and visual storytelling guide design choices. Joe combines technical-looking detail with fundamental design principles, creating a mech that feels both purposeful and visually interesting. By thinking about how the character moves and what conditions it operates in, he creates a design that conveys its function at a glance.

Duration: 15m 18s

Mechanical Details
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05Bringing the Sketch Together

This lesson emphasizes that effective character design balances simplicity and complexity. Rather than creating a fully armored robot, Peterson leaves certain mechanical elements exposed to convey a more aggressive character. The willingness to experiment and constantly evaluate the design from different perspectives leads to a more dynamic and believable result.

Duration: 10m 6s

Bringing the Sketch Together
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06Refining the Sketch

This lesson showcases the extensive refinement and thoughtful decision-making required in character design. Joe balances aesthetic appeal with functional storytelling, creating a mech that communicates its purpose as both a combat-ready unit and a law enforcement tool. The attention to experimentation, proportional balance, and meaningful design choices demonstrates a professional approach to concept art that prioritizes both form and function.

Duration: 10m 51s

Refining the Sketch
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07Adding Modules

This lesson focuses on restraint in concept design. Rather than making everything as advanced as possible, mixing contemporary military technology with futuristic elements creates more believable and relatable sci-fi designs. By understanding that technology doesn't advance uniformly, concept artists can better control where their design sits in time and make it more convincing to viewers.

Duration: 12m 4s

Adding Modules
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08Adding More Modules

This lesson emphasizes that successful concept art requires balancing technical knowledge with creative freedom. Joe’s design for a mechanically impossible weapon system remains convincing due to his understanding of how real weapons function. Artists should research and understand real-world mechanics to maintain credibility with audiences, even when creating fictional technology.

Duration: 13m 5s

Adding More Modules
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09Basic Colors and Shading

This lesson presents an approach to rendering hard-surface mechanical designs by building up complexity through layers. The industrial design technique of lighting facets proves effective for blocky, mechanical forms. While admittedly tedious and not scientifically accurate, this process of establishing ambient occlusion, base colors, shading, and metallic highlights creates convincing depth and dimensionality when presenting concept art.

Duration: 15m 10s

Basic Colors and Shading
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10Beginning Details and Cleanup

In this lesson, Joe begins the transition from sketch to finished concept. While the process is painstaking and time-consuming, the accumulation of small details is what transforms a sketch into a functional-looking machine. The main takeaway is that successful mechanical design comes both from studying real-world references and being willing to invest significant time in the detail work that makes invented machinery feel engineered and purposeful.

Duration: 13m 35s

Beginning Details and Cleanup
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11Changing Colors and Additional Detail

This lesson demonstrates how important it is for artists to remain flexible and be willing to make large changes, even later in the design process. Joe’s approach to rendering and attention to functional details creates more believable and cohesive designs, grounding sci-fi concepts into real-world military hardware. While the rendering process is time-consuming, it makes it possible to fully visualize how all elements work together as a complete, production-ready concept.

Duration: 13m 39s

Changing Colors and Additional Detail
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12Ammo Belt Detail

This lesson explains how to tackle intimidating design elements by breaking them into manageable components. Artists should focus on creating convincing visual representations through the use of custom tools, reference material, and knowing when the result is ‘good enough’. This process highlights how understanding the essence of an object can inform artistic decisions that result in functional-looking designs without getting bogged down in unnecessary precision.

Duration: 15m 46s

Ammo Belt Detail
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13Additional Cleanup and Refinement

This lesson emphasizes that creating convincing mechanical concept art relies heavily on repetitive refinement and detailing. Even made-up mechanical elements can be made to appear authentic through consistent application of real-world details like bevels, connection points, and material variation. Rather than being cheap or easy tricks, these techniques improve the believability of concept designs.

Duration: 12m 38s

Additional Cleanup and Refinement
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14Proportion Check and Final Tweaks

This lesson demonstrates that thoroughness and attention to detail are more important than rushing to completion. Good design requires constantly evaluating whether each element serves the character's intended function, even if that means revisiting areas you thought were finished.

Duration: 11m 52s

Proportion Check and Final Tweaks
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15Decals and Stickers

This lesson demonstrates how thoughtful application of decals transforms a fictional design into something that feels tangible and real. By borrowing visual language from real-world military equipment, industrial machinery, and safety signage, artists can make imaginary machines feel believable. Small, realistic details can significantly impact how convincing a design feels to viewers.

Duration: 14m 45s

Decals and Stickers
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16Finishing Touches

The final lesson of the workshop demonstrates how thoughtful lighting can elevate a design from good to presentation-ready. While many of the techniques shown aren't physically accurate, they serve the primary goal of effectively showcasing the design in a studio-style presentation.

Duration: 13m 12s

Finishing Touches
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Primary tools

For this workshop you’ll need:

Photoshop

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

Skills Covered

Who’s this Workshop for?

This workshop is designed for intermediate to advanced concept artists and designers who want to strengthen their mechanical design skills. Joe Peterson's training is for entertainment industry professionals working on sci-fi projects, games, or films requiring believable designs.


Character designers, vehicle artists, and prop designers will also benefit from Joe's approach. The workshop provides essential skills for balancing creativity with functional design, helping artists create mechanical designs that serve both aesthetic and narrative purposes in professional productions.

Learning Outcomes

On completing this workshop, artists will have a comprehensive methodology for creating story-driven mechanical designs that balance imaginative elements with real-world functionality.


Key skills include:

  • How to develop mechanical designs from initial story concepts and narrative requirements.
  • How to gather and utilize reference materials effectively for believable designs.
  • How to establish appropriate levels that guide consistent design decisions throughout.
  • How to balance imaginative, creative elements with practical, real-world mechanical design principles.
  • How to communicate function and purpose through visual design elements and details.
  • How to refine sketches through multiple iterations from concept to final rendered design.
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Workshop
Mechanical Character Design
with Joe Peterson
A Workshop by Joe PetersonSenior Concept Artist at Bonfire Studios
intermediate
3h 20m
16 Lessons
Instructor Joe PetersonSenior Concept Artist at Bonfire Studios

Joe Peterson is a senior concept artist at Blizzard Entertainment, with over nine years of experience. He has primarily worked in the Blizzard Cinematics department, contributing to character, set, and hardware designs. His work includes character armor, machinery, and environmental design, emphasizing technical form and believable function within imaginative worlds. Prior to joining Blizzard, Joe worked at Red 5 Studios during the early stages of their online shooter project, helping to develop the game’s signature sci-fi visual style.s signature sci-fi visual style.

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  • I know few artists who are not only extremely talented but also passionate about what they do and are constantly pushing themselves. Joe is definitely one of them. I had the pleasure to work with Joe on many projects and I was fortunate to able to exchange processes, techniques and knowledge in general which I truly believe has made me a better artist.

    - Fausto De Martini
    Freelance Concept Artist

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