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The Role of This Tool in the Fifth Phase of the Design Thinking Method

In the Deliver phase, clay prototypes are powerful for testing the physical form, ergonomics, and spatial relationships of products or physical touchpoints before investing in tooling, 3D printing, or manufacturing.
They allow teams to explore proportions, grips, interfaces, and assembly concepts at full or partial scale, quickly sculpting and resculpting to respond to user feedback and technical constraints. Clay models help uncover comfort issues, reachability problems, and perception of quality, enabling more confident decisions about the final design and reducing the risk of costly modifications late in the production process.
Clay prototypes are most suitable for tangible, three‑dimensional products such as consumer electronics, hand tools, medical devices, appliances, packaging shapes, furniture components, and in‑store fixtures, where grip, weight, shape, and form factor are critical. They also work well for spatial service experiences—for example, modelling counters, kiosks, or interior elements in retail, hospitality, or healthcare environments—where physical layout and interaction with space strongly influence the service.
The Procedure for Using This Design Thinking Tool
Step 1: Translate the priority requirements—such as size constraints, critical components, user grips, or safety considerations—into a simple physical concept you can model in clay at an appropriate scale.
Step 2: Build one or more clay models that roughly represent the intended form, including key surfaces, handles, buttons, or interaction points, without over‑investing in fine detail initially.
Step 3: Invite target users and relevant experts (e.g., ergonomics, engineering, safety) to handle the clay prototypes, perform representative tasks, and comment on comfort, reach, visibility, and perceived usability.
Step 4: Iteratively reshape, cut, add, or combine clay directly during the session to explore alternatives and respond to suggestions in real time, documenting successful variants with photos and measurements.
Step 5: Select the most promising configuration, capture precise dimensions and design notes, and translate this into higher‑fidelity CAD models or 3D prototypes for technical validation and pre‑production.
Next Steps in Your Design Thinking Journey
Continue your innovation journey with the following 3 Options to deepen your Design Thinking practice and amplify your impact.
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