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STRUCTURAL DESING

WHERE ENGINEERING AND VISUAL IDENTITY BECOME ONE.
MA-UNI integrated mechanical design

Human-oriented design → Design integrity → Human-machine visual language → Long-term vision

HOLISTIC DESIGN PHILOSOPHY

A Holistic Design Vision

For MA-UNI, we are approaching the overall design from two complementary perspectives — STRUCTURAL and VISUAL.

Our goal is to bring these two together into a HOLISTIC DESIGN VISION that will serve as the foundation for all future MA-UNI implementations.
Design Philosophy

Why Another Approach?

Beyond the Machine

Many humanoid robots are primarily optimized around engineering objectives: movement, automation, strength, sensing and task performance.

These requirements naturally influence the external appearance of the machine. Motors, cables, structural elements and other mechanical components may remain visible, creating a strong perception of industrial machinery.

MA-UNI begins from a different premise.

The body is not merely a container for the technology. The body is part of the technology.

The project explores the relationship between:

Mechanical Architecture Internal structure and movement systems.
Body Design Human-inspired proportions and organic forms.
Visual Identity A recognizable artificial presence.
Human Perception How people understand and respond to the machine.
The result is not intended to imitate a biological human perfectly. Instead, MA-UNI explores a distinct category of artificial body: recognizably humanoid, technologically credible and visually approachable.
MA-UNI Design Philosophy

Human-Oriented Artificial Presence

01 — Human-Inspired Proportions

The current platform is designed around human-scale dimensions and recognizable relationships between the major body sections.

02 — Integrated Mechanical Structure

Mechanical elements are organized within the external body architecture wherever possible, allowing smoother forms and a more coherent artificial body.

03 — Lightweight Construction

The current prototype demonstrates a human-scale structure with an unusually low overall weight. The objective is to explore how efficient structural organization and lightweight materials can reduce unnecessary mass.

04 — Passive Safety

For a humanoid robot operating in human environments, minimizing the consequences of a potential fall can be just as important as preventing the fall itself.

05 — Modularity

Components are designed with modification and replacement in mind, allowing the architecture to evolve through successive generations.

06 — Flexibility

The articulation concept permits extensive rotational movement of the limbs, waist and other body sections.

07 — Recognizable Identity

MA-UNI treats external appearance as part of the identity of the platform rather than as a secondary cosmetic layer.

Integrated Mechanical Design

Designed as One Body

MA-UNI explores an approach in which the mechanical structure and external body design are developed together.

Rather than designing a conventional robotic skeleton first and subsequently placing an external shell around it, the project attempts to integrate structural requirements into the body itself.

The integrated philosophy is particularly visible around the hip, waist and transition between torso and legs.

MA-UNI humanoid robot artificial body design
Screenshot of the external design integrated with the mechanical structure, including the servomechanisms embedded within the assembly.

This approach allows the external body to retain smoother human-inspired forms while preserving the mechanical functionality required for articulation.

Mechanical structure and visual identity are treated as parts of the same design problem.
Lightweight Architecture

Human Scale. Extremely Light

One of the distinctive characteristics of the current MA-UNI prototype is its low total mass relative to its human-scale size.

~10–15 kg

at approximately 155–160 cm human-scale height.

The construction demonstrates an approach based on efficient structural organization, lightweight components and accessible manufacturing methods.

Optimized Weight Distribution

Autonomous power batteries are integrated into the thigh sections of the prototype.

This contributes to a lower center of gravity and more balanced weight distribution.

Lightness is not simply a cost-saving measure. It is part of the architecture.

Future industrial materials and manufacturing methods could potentially allow further optimization of mass, strength and durability.

Motion System

Approximately 30 Actuated Joints

The current prototype uses approximately 30 servo actuators distributed across the body.

The architecture is scalable in concept, with future versions potentially incorporating substantially more actuated degrees of freedom depending on their intended function.

Articulated Movement Coordinated motion across multiple body sections.
Programmable Gestures Experimental movement sequences and poses.
Standard Servos Accessible hobby-grade actuators used during prototyping.
3D-Printed Bearings Lightweight bearings and bushings used in selected structures.
The current architecture is intentionally accessible. The future architecture is intended to be industrial.
Digital Fabrication

Built for Iteration

MA-UNI uses digital fabrication as an essential part of the development methodology.

Rapid Prototyping New components can be produced quickly.
Modification Individual structures can be redesigned independently.
Replacement Components can be reproduced or modified without rebuilding the complete platform.
Evolution Each generation can incorporate lessons from the previous one.

This modular philosophy is intended to support continuous development from experimental prototype toward future industrial generations.

Electronics & Control

A Simple Beginning
for a More Advanced Future

The current prototype uses a simplified embedded control architecture based around an Arduino Mega controller and dedicated electronic control systems.

MA-UNI Arduino Mega electronics
Part of the electronic system and Arduino Mega controller inside the MA-UNI prototype.

MA-UNI Arduino
Screenshot of a section of the MA-UNI source code.

The current system provides programmable movement sequences and coordinated control of the prototype.

Passive Safety

Passive Safety By Design

MA-UNI's exceptionally lightweight architecture may offer a significant advantage in this respect, potentially reducing the kinetic energy and associated risks of an accidental fall.

Beyond its low overall mass, MA-UNI's structural architecture and human-form body design provide the potential for integrating a soft protective outer layer made from rubberized textiles, elastomeric materials, or other flexible protective structures.

Such a layer could further absorb and distribute impact forces in the event of an accidental fall or unintended movement, helping to protect both the robotic system and people in its immediate surroundings.

The underlying principle is simple: when a humanoid is designed to operate close to people, safety should not depend exclusively on software and active control. The physical architecture itself should contribute to reducing risk.
CONCLUSION

The Humanoid
Is Only the Beginning

The current prototype establishes a physical foundation. The next stage is to determine what this architecture can become when combined with advanced robotics, software and artificial intelligence.
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