When designing a product that is to be produced beyond just the prototype stage, attention must be given to the resources that are available and to the sustainability of the manufacturing processes. 

As a team, determine the appropriate scale of manufacturing for your project: will they be made in the tens, hundreds, or millions? What design changes will need to be made as you shift from manufacture of a single prototype to the production of multiple units?

Embodied Energy Evaluation

List the design features of each of the wheelchairs and cook stoves shown below that were driven by each of the ‘bilities that we discussed in class. Refer to the reading assignments for additional information on the materials, techniques and processes used in the manufacture of both wheelchairs and cook stoves. On a separate page, discuss what you think were the major drivers of each design, and what trade-offs were made. 

This assignment prepares for the Phase 3 Design Review of detail design, analysis and experimental results. 

Build-It modules are hands-on opportunities to learn how to use a variety hand tools, machine tools and prototyping equipment in project-based training sessions. You choose which module to take based on your interest in the project / skills taught, and are encouraged to coordinate with your teams to gain a variety of experiences that you can then share with each other.