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Key design decisions and alternatives considered (as motivated by paper prototyping, heuristic evaluation, and user testing)
Implementation
Describe the internals of your implementation, but keep the discussion on a high level. Discuss Internals and important design decisions you made in the implementation. Also discuss how implementation problems .
Implementation problems that may have affected the usability of your the interface.
Evaluation
Users were found through contacts: architect, art student, art professor, and they are representatives of our target populations.
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