What is a prototype
An early stage model of a product, it will be developed for a client to check that it meets their requirements
Any issues from prototype are corrected according to feedback
Prototype functionality
Should be made so that it is able to demonstrate how it works & show its suitable for intended purpsoe
Aesthetics of prototype
Finishes, etc. Aesthetics involve all senses (touch, vision, hearing, taste, smell)
Marketable prototype
Should produce a marketable product
Evaluating prototypes
Must be rigorously tested to ensure it meets all criteria, safe, follows manu spec, fit for purpose