Imagine you're designing a new ergonomic chair. You’ve sketched your ideas, created detailed CAD drawings, and even run simulations to test structural integrity. But how do you know if the chair will actually feel comfortable or if the armrests are positioned correctly? This is where physical models step in, allowing you to explore, test, and refine your design in a tangible, hands-on way. In this section, we’ll explore how physical models are used to test product form, functionality, and ergonomics, how instrumented models measure performance, and the advantages and limitations of physical models in design.
Physical models are three-dimensional, tangible representations of a design or system. They allow designers to visualize and interact with their ideas in real space, making them invaluable tools for testing and refining designs.
Physical models are often used to evaluate three critical aspects of a product:
Consider the design of a new smartphone. A physical model might be created to test how the phone feels in the hand, whether buttons are easy to press, and if the screen size is appropriate for user needs. This hands-on exploration provides insights that digital models or simulations cannot fully capture.
When testing ergonomics, involve real users to gather feedback. Observing how people interact with a model often reveals usability issues designers might overlook.
While basic physical models allow designers to evaluate form and ergonomics, instrumented models take this a step further by incorporating sensors and measurement tools. These models provide quantitative data on a product’s performance, enabling designers to make precise improvements.
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