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Chai Wai Yin's Ecool Modular Shared Scooter presents two distinct compositional arrangements of an innovative personal mobility device photographed against a luminous neutral ground that enhances chro
Chai Wai Yin's Modular Shared Scooter presents a compelling study in contemporary sustainable mobility design, rendered against an architecturally layered urban backdrop that establishes both contextu
Chai Wai Yin's Ecool Modular Shared Scooter presents a sophisticated exploration of transformative mobility design rendered through pristine studio photography that emphasizes material clarity and str
Chai Wai Yin's Ecool Modular Shared Scooter presents itself through a precisely calibrated isometric rendering that privileges formal clarity and functional legibility, the composition employing a thr
Chai Wai Yin's Ecool Modular Shared Scooter presents a sophisticated exercise in contemporary industrial design language rendered in pristine studio lighting against a neutral high-key ground that eli

Ecool

Bronze Scooter Design · 2025

Ecool Modular Shared Scooter

by Wai Yin Chai

  • A' Design Award 2025 Bronze Winner in Scooter Design
  • Awarded April 15, 2025
  • CLIENT: Ecool
  • Estimated Number of Design Views: 12,801
  • Verification code 18DEB1C7C7 · Verify this award
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About Ecool Modular Shared Scooter

Ecool is a modular scooter designed for shared mobility in 15-minute cities. A foot-activated one-step folding mechanism reduces the parked footprint and saves urban space. The folding action works without bending, which improves access for users with limited mobility. Railing charging stations support fleet management and reduce loss. The frame is made of recycled aluminum by die-casting, and recycled ABS and PC plastics add durability. Modular parts allow simple customization and maintenance, extending the service life of the scooter.

Chai Wai Yin's Ecool Modular Shared Scooter emerges from contemporary urban mobility discourse where designers increasingly address challenges of density, sustainability, and flexible transportation infrastructure through innovative personal vehicle solutions that balance portability with functionality. The design demonstrates sophisticated formal resolution in its dual-state presentation, revealing both the compact folded configuration suitable for storage and transit alongside the fully deployed operational form, this juxtaposition invites viewers to appreciate the mechanical intelligence embedded within the transformation sequence and the spatial economy achieved through thoughtful engineering that collapses substantial volume into manageable dimensions. The chromatic strategy proves particularly accomplished, deploying a confident jade green as the primary hue that establishes immediate visual identity while communicating values of environmental responsibility and contemporary sensibility, this verdant tonality receives strategic punctuation through warm terracotta wheel rims that provide energetic chromatic counterpoint and enhance visibility, while neutral white wheels and charcoal details create tonal structure preventing chromatic oversaturation. The material vocabulary suggests injection-molded thermoplastics for body panels offering durability and weather resistance alongside aluminum or steel alloy structural components providing necessary rigidity, this integration of materials demonstrates technical facility in balancing strength-to-weight ratios essential for portable mobility devices. Compositional choices serve clear communicative purpose as the bilateral arrangement allows comprehensive formal understanding from a single viewpoint, the left specimen revealing profile geometry and folding mechanics while the right demonstrates frontal presence and user interface, this dual documentation strategy reflects professional product design presentation conventions that prioritize clarity and complete information transfer. The design appears to engage with traditions of modular thinking and transformable objects that extend from early twentieth-century modernist experiments through contemporary compact living solutions, suggesting awareness of spatial premium in urban contexts and the increasing importance of objects that adapt to multiple scenarios rather than demanding dedicated space. Thematically the work invites contemplation of sustainable urban futures, the democratization of personal mobility beyond automobile dependence, and design's capacity to address complex systemic challenges through elegant material interventions. The handlebar assembly with its horizontal grips and vertical stem establishes intuitive ergonomic relationship suggesting comfortable upright riding posture, while the wheel configuration with its stable four-point stance promises secure balance appropriate for shared-use scenarios accommodating diverse user populations. The folding mechanism visible in the left specimen hints at satisfying mechanical choreography where complex three-dimensional transformation resolves through simple user gestures, this marriage of sophistication and accessibility represents accomplished industrial design thinking that conceals complexity behind intuitive operation. One might observe how this mobility solution participates in broader cultural shifts toward access over ownership, collaborative consumption models, and technological optimism regarding design's capacity to improve daily urban experience while reducing environmental impact, inviting viewers to consider how thoughtfully conceived objects shape behavioral possibilities and contribute to evolving definitions of sustainable contemporary life.

Press Kit

Unique Properties
Ecool is designed for sustainability in 15 min cities, emphasizing environmental, commercial, and community benefits. Its one-step foldable design reduces its footprint when parked, optimizing urban space. Modular to suit various users, including delivery personnel, it includes railing charging stations for better management and reduced loss. Made from recycled materials, Ecool supports a circular economy by promoting resource reuse and minimizing emissions.
Dimensions & Packaging
Normal Mode: 1216 mm x 530 mm x 944 mm
Folded Mode: 563.87 mm x 530 mm x 935.41 mm
Wheels: 10 inches in diameter
Tags
Sustainable Design、Foldable Design、Modular Design、High-tech、Eco-friendly、Shared mobility、Ergonomic、Carbon Emission Reduction、Space-efficient 、Accessibility
Production Technology
Ecool production combines advanced materials with modern manufacturing. Its recycled aluminum frame, made via diecasting, ensures strength and precision, while recycled ABS and PC plastics enhance durability. Iterative prototyping used 3D printing for testing and CNC machining for final parts. This blend of sustainable materials and high tech processes underscores Ecool is commitment to innovation and environmental responsibility.
Design Challenge
The primary challenge in designing the Ecool scooter was creating a simple, optimal folding mechanism that allowed operation without bending, catering to users with limited mobility. This involved extensive ergonomic research and numerous design iterations. Additionally, compliance with diverse regional safety standards impacted the scooter is specifications. Efforts were also made to incorporate sustainable manufacturing processes to minimize carbon emissions.
Project Duration
The project was initiated in January 2024 in Hong Kong and the design was completed in May 2024.
Operation Flow
The Ecool scooter is designed for intuitive use, featuring a foot-activated one-step folding mechanism for quick, effortless compact storage. This design enhances accessibility, including for users with physical limitations.

A smart system connects to a mobile app, offering real-time data on scooter availability, battery life, and route optimization for efficient travel. The modular design allows easy customization and maintenance, extending the scooter’s lifecycle and performance.
Research
The Ecool design study aims to enhance sustainable urban mobility, aligned with the 15 minute city concept. It focuses on creating a foldable, modular scooter that saves space, meets diverse needs, and uses sustainable materials. Participants including delivery personnel and commuters, prefer compact, versatile transport that reduces clutter and improves accessibility. Ecool supports shared mobility, lowers carbon emissions, and influences urban transportation policies for a sustainable future.
Inspiration
Inspired by the challenges facing shared scooters in Europe and bikes in China, including theft, vandalism, and sidewalk congestion, this project aims to redefine sustainable urban mobility. The excessive production and abandonment of scooters not only pose environmental threats but also burden enterprises economically. With rising skepticism towards shared transportation models, there is an urgent need for innovative solutions to ensure sustainability and reduce urban carbon emissions.

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