1. Design Specifications
Higher product Design revision

2. Specifications
These are statements of characteristics a design must possess in order to meet the requirements of the design brief.
Sets out clear boundaries within which the designer must work.
However it can be too restrictive and may prevent imaginative ideas to happen.

3. Various Specifications
Marketing Specification (will it sell?)
Emphasises the requirements of the user, the purchaser and the producing company.
Technical Specification (can it be made?)
Translates some requirements in the marketing specification into precise descriptions, setting limits. Deals with more physical properties of the product
Performance Specification (will it work?)
Deals with desired outputs of a product of what function it must fulfil, ease of use from people, how well the product performs..
Conformance Specification (is it safe and legal?)
Ensuring the product complies with legal and commercial requirements and that it is safe to use by the public. BSI (British standards industry), IPR (intellectual property rights) must be observed.

4. Aims of Specification
It to try and establish what things could cause a new product to fall.
Sets out criteria which are part of a key quality control document for the finished product.
It clearly sets out what the product must and should do.

5. Before writing...
It takes time and effort and involves research into the needs and requirements of users, buyers , retailers and manufacturers.
Useful to consider product requirements for each of these groups under the following headings:
Performance Ease of use function
Safety Materials Marketing
Ergonomics Aesthetics Manufacture

6. You try..... Produce design specification
Polypropylene injection moulded
$3 dollars
Available in many colours
Leather and steel
Price £120
Rubber stoppers on feet

7. Produce design specification
KNAPPA TULPAN lamp
Base: Cast iron, Paint Tube: Steel, Galvanised Shade: Polypropylene plastic, Polypropylene plastic Shade holder: Polystyrene plastic
£17.99
Bulb sold seperately
BASISK table lamp
Base weight: Cast iron Base plate: Clear lacquer, Birch plywood Disc/ Tube: Steel, Nickel-plated Shade: Glass
£7.99
Light bulb sold seperate