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21st Century Prototyping: Improving product prototyping through the integration of physical and digital workflow

Lead Research Organisation: University of Bristol
Department Name: Mechanical Engineering

Abstract

To design the future of products we need the future of prototyping tools. Across the £30Bn+ consumer product markets, priorities such as demand for non-technical user voice vie against advanced products and tough time/cost targets. These pressures are acutely felt in the prototyping process, where models often number in the 100s for a single product, and are inflexible, technically advanced, and resource-intensive to create. To succeed and evolve prototyping needs to do more, quicker, cheaper, with higher accessibility.

This project aims to enhance learning, accessibility, and efficiency during prototyping. It will explore feasibility and value of seamlessly integrating physical and digital prototyping into a single workflow.

Recent and rapidly emerging technologies such as mixed reality, haptic interfaces, and gesture control have revolutionised the way we interact with the digital world. It's predicted that this tech will be ubiquitous by 2025, will be disruptive for the next decade, and will drive the way we work and interact across the future digital workplace, with engineering a top-5 sector to realise value. In prototyping, they will break down the physical-digital divide and create seamless experiences, where the strengths of each domain are realised simultaneously.

This new physical-digital integrated workflow brings profound opportunities for both engineers and users, supporting technical activities and simplifying communication. Amongst many possibilities users may physically create and feel digital changes to prototypes in real-time, dynamically overlay advanced analyses onto physical models, and support early-stage decision-making with physical-digital, tactile, interactive prototypes. These capabilities will allow more learning per prototype, widen accessibility to technical design and streamline the prototyping process. However, we don't yet know how this exciting vision may be fulfilled, exactly what benefits, value or costs there may be, feasibility of implementation, or effective workflow approaches.

The project will explore physical-digital workflow by creating and investigating several demonstrator platforms that combine and apply haptic, mixed reality, and gesture control technologies in targeted prototyping scenarios. Technologies will be explored to understand capability in isolated sprints, before prioritisation and development into focused demonstrator tools that allow us to explore integrated workflow across real prototyping cases, spanning activities, types, and stakeholders. Demonstrators will be evaluated and verified with end-users, industry partners, and the public to establish learning, speed, cost, and usage characteristics.

Project outcomes will comprise workflows for integrated prototyping with knowledge of value, effectiveness, feasibility, and future opportunities. A 'toolkit' of implementations will also provide exemplars for industrial partners and academia and lead the effective use of integrated physical-digital workflow in engineering. All software and hardware will be open-sourced via Github and the project webpage, letting global researchers and the public create their own systems and build upon the work. Future work will extend capabilities in line with outcomes of the work, leading to the next generation of engineering design and prototyping tools.

Industrial Partners The Product Partnership (Amalgam, Realise Design, and Cubik) and AMRC will bring prototyping, engineers, and end-user expertise and benefit from the workflows and technologies that are developed. OEMs Ultraleap and Autodesk will bring immersive technology expertise and access to cutting edge design systems, and will benefit from case study implementations and studies and future application opportunities. Bristol Digital Futures Institute will facilitate collaboration across 20+ partner businesses and the public, with outputs supporting their mission for digital solutions that tackle global problems.

Publications

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Wharton M (2024) Perception-centric design considerations for low-cost haptic emulation in prototypes in Proceedings of the Design Society

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Wyrley-Birch M (2024) 6 degree of freedom positional object tracking for physical prototype digitisation in Proceedings of the Design Society

 
Description Innovation Launchpad Network+ Researchers in Residence Scheme
Amount £49,963 (GBP)
Funding ID RIR16A221129-1 
Organisation Engineering and Physical Sciences Research Council (EPSRC) 
Sector Public
Country United Kingdom
Start 01/2024 
End 04/2026
 
Title ML-calibrated low cost hand-tracking system 
Description Provides a pipeline for full 3D hand tracking using only low-cost commercial webcams. System config and calibration utilises a series of ML models tuned to a reference set created via a low cost 3D positional tracking system (Vive tracker). When running, gives full hand tracking to <1mm accuracy with no wearables or intrusive hardware. 
Type Of Technology New/Improved Technique/Technology 
Year Produced 2024 
Impact Used currently to: - Enable data capture and analysis of 2 PhD students - Create a tech demo to be displayed at the Advanced Manufacturing Research Centre in Sheffield 
 
Title XR Design review system 
Description Mixed-reality design review system for direct-to-3D annotation and design exploration of CAD models and technical designs. 
Type Of Technology New/Improved Technique/Technology 
Year Produced 2025 
Impact - Deployment in workflow of Kinneir-Dufort, a local engineering firm 
 
Description Exhibition and invited talk at TechFellows industry-facing event 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Industry/Business
Results and Impact Approx. 200 business leaders associated with the high value manufacturing catapult attended. I presented the spatial computing paradigm as an industry tool, and exhibited developed technologies. Has led to several connections, primarily with PTC, AMRC Wales. The former has led to further conversations with American immersive technology development team.
Year(s) Of Engagement Activity 2024
 
Description Exhibition at ICED 2023 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact Exhibited initial project outputs as technical demonstrators at ICED 2023 conference in Bordeaux, France. Approx. 700 attendees. Sparked several discussions and international connections with TU Munich, Zagreb, Turkey, Strathclyde, ETH Zurich.
Year(s) Of Engagement Activity 2023
URL https://dmf-lab.co.uk/blog/21st-century-prototyping-exhibit-at-iced-2023/
 
Description Exhibition at Pro2 Network launch 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Industry/Business
Results and Impact Presented project demonstrators to 100+ attendees from industry and academia at the launch of the ProSquared Network+ on Democratisation of Digital Devices. Also formally presented the project in a keynote and sat on the expert panel for Q&A. Several new connections made, including agreement for collaboration with Kinnier Dufort.
Year(s) Of Engagement Activity 2023
URL https://dmf-lab.co.uk/blog/21st-century-prototyping-at-the-prosquared-network-launch/
 
Description Exhibition to Agratas 
Form Of Engagement Activity Participation in an open day or visit at my research institution
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Industry/Business
Results and Impact Exhibition of technical demonstrators to Agratas, who are leading development of a major battery factory and skills centre in the SW of the UK. 10 C-suite level attendees + University APVC attendees. Led to interest in integration of technologies in the Agratas site, currently under discussion.
Year(s) Of Engagement Activity 2025