You are trying to design and build a stylus to use for drawing on a cell phone screen. Your major constraint is size. You
design a prototype, make a doren and share them with test users. You think you have a great design but several of the test
users have trouble drawing fine lines on the phone screen
1. Analyze the problem
2. Complete an initial design
Present the design to test users
4. Note any problems of test users
5. Modify your design to fix any problems.
6. Repeat steps 2-5 until user problems are solved
Put the following in order from Step 1 (Analyze the problem.) to Step 5 (Modify your design to fix any problems.):
Screen very small
Problem drawing fine lines.
Design prototypes
Develop new design for stylus
Test users try prototype