The DC22 vacuum cleaner took 2 years and a team of 25 engineers to develop.
You can find out how the machine made it from paper to plastic here.
You can also download our new hands-on product analysis and reverse engineering resources which work alongside the Education box. Both are available completely free of charge.
2. Design Specification
A specification is the measuring stick for a design.
Imagine you need a new pair of shoes. Before you go shopping, you think about what sort of shoes you want according to when you'll wear them. If they're school shoes they need to be black, smart and hardwearing. If they're for sport, lightweight and supportive.
This is how a design specification is set. A list of requirements is compiled, relating to how the product will be used and how it will look.
The Brief