Scaled Model
What is a Scaled Model?
A scaled model (prototype) is a model that is either much larger or smaller than a typical prototype or an actual size model.
Why Scaled Model?
Scaled models help the design process in that they may be experienced (tested, inspected, modeled and varied) at the scale that is convenient for human interaction.
Procedure
Best Practices
Demo Video
This video gives you an overview of scaled model

This video gives you a walk-through on how to apply Dimensional Analysis:

References and Additional Resources
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Otto, K. N., and K. L. Wood. "Product design: techniques in reverse engineering and new product development." (2001).