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Design Process. What is Design? Design is a creative planning process that leads to useful products and systems. There is no perfect design. Requirements.

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Presentation on theme: "Design Process. What is Design? Design is a creative planning process that leads to useful products and systems. There is no perfect design. Requirements."— Presentation transcript:

1 Design Process

2 What is Design? Design is a creative planning process that leads to useful products and systems. There is no perfect design. Requirements of a design are made up of criteria and constraints.

3 What is the Design Process? The design process is a purposeful method of planning practical solutions to problems. The design process is never final; there are always multiple solutions to a problem. The design process is influenced by requirements called criteria and constraints.

4 Adopted PLTW® High School Design Process

5 Adopted GTT Design Process 3 Research and Generate Ideas 1 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 6 Select an Approach 5 Choose Best Idea 4 5 Explore Possibilities Identifying Criteria and Constraints 7 Develop a Design Proposal 10 Refine 11 Create or Make The adopted GTT design process combines several steps.

6 Define the Problem 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Defining the problem is like conducting detective work. You must examine the evidence and form some conclusions. Examples: Design a vehicle that can communicate with other vehicles to prevent accidents. Design an athletic shoe that decreases the amount of sprained ankles when worn on hardwood gym floors.

7 Brainstorm Brainstorming involves bringing a group of people together to generate many different ideas. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Examples: Make the athletic shoe out of plastic. The shoe needs to grip the floor; the bottom should be made of rubber. The ankle support should be stiff. Dont forget the air vents. All ideas are considered – none are criticized!

8 Research Research may require going to the library, using computer databases, writing letters, performing experiments, and asking questions. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Examples: Read books and magazines View films or videos Search the Internet Ask questions of the experts Create and analyze a survey

9 Develop Ideas Develop multiple ideas that will solve the problem and meet the requirements. The alternatives may all be quite diverse. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Criteria: How will the solution actually work? What materials should I use? What should the product look like so that people will buy it? Constraints: Will it be completed by the deadline? What size should it be?

10 Choose Best Idea Decide on an idea that best meets the criteria, fits within the constraints, and has the least amount of negative characteristics. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea List the strengths and weaknesses of each alternative. Optimization – Making improvements to the design idea for better performance or increased safety Trade-off – Giving up one desirable trait for another (i.e., giving up on using a certain material so that the object is more affordable)

11 Model or Prototype Model building is used to gather additional information and test design ideas. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Examples: Realistic drawings or renderings help you visualize what the solution will look like in real life. Scale models or mock-ups are small, accurate representations of the final product. 3D CAD (computer aided designs) can show objects in action. A prototype is a working model; it looks and functions just like the finished product.

12 Test and Evaluate Models of design solutions must be tested and important questions must be answered during the evaluation. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Is it safe for people and the environment? Is it comfortable? Is it affordable? Is it aesthetically pleasing (does it look good)? Will it last as long as it needs to? Does it meet the criteria and constraints? Does it work?

13 Improve Design After studying all test data and evaluating design solutions, you may need to make changes. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Now is the time to improve a design – before production begins. During the improve design phase, you may consider new ideas.

14 Communicate Results Share your design ideas with others to prove the design is worthy of manufacturing. 9 Communicate Results Design Process 2 Brainstorm 3 4 Research Develop Ideas 6 7 Model or Prototype Test and Evaluate 8 Improve Design 1 Define the Problem 5 Choose Best Idea Examples: Poster Drawings Charts Prototypes PowerPoint presentation Reports Discussion

15 Image Resources Microsoft, Inc. (2008). Clip Art. Retrieved September 25, 2008, from Wikimedia commons (2008). Retrieved September 25, 2008, from


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