2. General Design Process (Pugh's method)

What are the six stages in Pugh’s Total Design Model?

What are you finding out in stage 1: Market Investigation?

Is there a market for the product & what is it?

What is the purpose of stage 2: Specification?

Identify all constraints and requirements and write them in a document called a Product Development Specification (PDS).

What happens in stage 3: Concept Design?

Generate many ideas. Develop them. Evaluate them to see what is best.

What happens in stage 4: Detailed Design?

Detail everything required to manufacture the product.

What happens in Stage 5: Manufacture, and stage 6: Sell?

The product is manufactured and sold!

What are the advantages of Pugh’s method?

1. Reduce cost in design process

2. Limit change later by better design

3. Invest effort early, benefits later