IA Criterion E
Detailed development of a commercial product
New requirements for 2020
Criterion E is the re-design of your prototype for commercial production. The focus here is to use your research and feedback from Criteria C and D to develop the design so that it can be produced commercially. The focus, essentially, is to develop a set of technical drawings that another person could follow for production.
The design you develop here should clearly show how it has been modified for commercial production.
E1
Develops the design, addressing the required modifications for a commercially viable production process
five A4 page (or equivalent)
Students must not include any extended writing to address this strand.
The only required evidence for this strand are:
drawings/modelling of ideas annotated* to show the required modifications
annotations highlighting additional research and/or feedback enabling iterative development.
Note and Guidance
In this section, you should be considering how the design will be modified for commercial production. For example, if it is going to be injection molded instead of 3D printed, you might consider how the design will be molded and what features of the design would need to be changed in order for it to be produced using this method.
The development drawing should show the evolution of your ideas in this regard.
Tips
Most of your drawings can be high quality hand drawings. However, since your final presentation drawing (E2) and technical drawings (E3) should be presented as CAD drawings, you can save some time by starting to work in CAD at this stage.
Suggested Workflow for E1
Review your final prototype (Criterion C) and your reflection on areas for improvement (D3). Identify areas of the design that might need to be modified so they could be manufactured commercially. Some questions you might ask are:
What materials and processes would be used to produce the product commercially?
What scale of production would be appropriate?
Review Topic 4 and Topic 10, especially the areas relevant to your design and scale of production. In addition, research and review the types of production processes you are going to use
Create a set of development drawings that show your exploration of these area for development. For example, if your design is to be injection molded, you might explore how the form is changed to allow it to be molded accurately. You might also explore the number of mold parts, etc.
We recommend you present your work for Criteria E1 in the following format:
1 page of your original design with annotations that identify areas and features that will be changed for commercial production. Remember, the changes here should not be related to changing the function or performance- those changes should be highlighted in Criterion D3. Instead, changes in E1 should be focused on changing the design for manufacture.
4 pages of developmental drawings that show and explore how these changes might be made. A mixture of of high quality drawings and CAD drawing is ideal at this stage.
The quality of your annotations is essential in this section. Ensure your annotations identify and outline the features or elements of the design that will be changed for commercial production. You need to communicate how your design will be refined for commercial production, but with short, clear descriptions.
E2
Presents the developed commercial product comprehensively
one A4 page (or equivalent)
Students must not include any extended writing to address this strand.
The only required evidence for this strand are:
a presentation drawing of the commercial product
annotation* of the presentation drawing of the selected design highlighting the key modifications required for commercial production.
Tips
As mentioned in E1, you can save some time by beginning your CAD work in that stage; That way you have a file you can begin to work with.
In addition, your work in E3 will depend on the quality of your CAD file that you produce. Take your time here to produce an accurate, high quality file that you can use to create high quality planning drawings
Suggested Workflow for E2
Based on your work and development in E1, create a high quality presentation drawing of your design. We recommend creating a CAD model of your design at this stage.
Include annotations that highlight the key features and changes that have been made in order to modify the design for commercial production.
We recommend you present your work for Criteria E2 in the following format:
1 page that includes high quality images of your design (rendering in CAD is recommended). Annotations should be included (see above).
E3
Commercial Design Proposal
nine A4 pages (or equivalent)
Students must not include any extended writing to address this strand.
The only required evidence for this strand are:
a plannings drawing of the commercial product
Note and Guidance
This section is quite similar in scope and focus to Criterion C2: You need to develop technical drawings for the production of the design, as well as a bill of materials and assembly drawings.
Tips
CAD drawings are essential here. If you have started to develop your CAD model in E1, you will have saved yourself much time and effort.
Follow best practices for CAD, ensuring that your design is created in a way that is accurate and will allow you to easily generate the required drawings.
Suggested Workflow for E3
Use the drawing function in your CAD software to create a set of drawings that communicate how the design would be manufactured. These would include:
Orthographic Drawings of the final design
Orthographic drawings of components and assemblies
Exploded isometric drawings to show construction and final assembly.
Create a BOM (Bill Of Materials) for your design. This can be a table that includes the following information:
Part Number: Give each part a sequential number (e.g. 1, 2, 3...)
Part Name: A descriptive name of the part that includes the material and function (e.g. Plywood base); Include Color here if relevant
Size or dimensions: Include the metric dimensions of the part (e.g. 30cm X 20cm X 1.5cm)
Quantity: Include the total quantity need to manufacture the design.
Making or Buying: Indicate whether you are making or buying this part.
Unit Cost: Include the individual cost of the part
Total Cost: Multiply the quantity by the Unit cost to determine the total cost.
We recommend you present your work for Criteria E3 in the following format:
1-2 pages of orthographic drawings of the final design
4 pages of technical drawings. These could include: Orthographic views of other components or assemblies, drawings for molds, templates, or any other drawings that would aid in the commercial manufacture
1 page for the Bill of Materials (BOM)
2 pages of assembly drawings showing how the product would be assembled. These could include exploded isometric drawings, assembly drawings, etc.
Rubric (2020)
1–3
The student:
demonstrates limited development of the design for a commercially viable production process
presents the developed commercial product with few details
develops a design proposal for commercial production that includes few details and is not sufficient for a third party to manufacture the product.
4–6
The student:
demonstrates some refinement of the design, addressing some of the required modifications for a commercially viable production process
presents the developed commercial product with most details
develops a design proposal for commercial production that includes most details necessary for a third party to manufacture the product.
7–9
The student:
develops the design, addressing the required modifications for a commercially viable production process
presents the developed commercial product comprehensively
develops an accurate design proposal of the commercial product in sufficient detail for a third party to manufacture the product.