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Redesigning the Coffee Mug

Redesigning the Coffee Mug. Paul Ritchey HF Methods & Analysis UHCL. Background . Why the Coffee Mug? Commonly Used Mugs are versatile Simple base design Personal reasons: background in ceramics interested in simplistic design. Goals. Keep the good:

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Redesigning the Coffee Mug

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  1. Redesigning the Coffee Mug Paul Ritchey HF Methods & Analysis UHCL

  2. Background • Why the Coffee Mug? • Commonly Used • Mugs are versatile • Simple base design • Personal reasons: • background in ceramics • interested in simplistic design

  3. Goals • Keep the good: • What do people like about the standard coffee mug? • Identify problems: • What are the problematic design elements? • How can these problems be fixed? • Objective: Develop a prototype from collected data

  4. Understanding the User’s Domain • Designing for the General Population • Except Children • User Profile: Age: 18+ Hand Width: m = 8cm (Hand Width was measured across the bottom knuckles)

  5. Task Analysis • Participants executed 3 tasks with the generic coffee mug (n = 5) • adding and stirring contents of mug • simulated drinking from mug • washing the mug

  6. Semi-structured Interview • Participants were interviewed individually, after performing the task analysis • Questions covered elements like: Exterior Form, Interior Form, and the Handle.

  7. Visualizing the Design Solution • Created a medium fidelity, form-study prototype • created requirements from data gained during interviews • Requirements • Negative space of the handle shall be 8 - 9cm in height and 3-4cm in width • Handle width shall be between 1.8cm and 2.3cm • Base form shall be a straight vertical cylinder • Base form shall have a 7 – 8cm interior diameter • Base form shall be 11 – 12cm in height • Base form shall have a ribbed-textured exterior • Interior base shall be curved to fit the contour of a standard tablespoon

  8. Evaluating the Design • Re-interviewed participants with new prototype (n = 5) • Overall response was positive • Participants noted it was an improvement on the generic mug • But still flawed..

  9. Comments on Prototype 1.0

  10. Revisiting the Requirements • Requirements • Negative space of the handle shall be 8 - 9cm in height and 3-4cm in width • Handle width shall be between 1.8cm and 2.3cm • Base form shall be a straight vertical cylinder that curves inward 2 – 2.5cm from the bottom • Base form shall have a 8 – 9cm interior diameter • Base form shall be 11 – 12cm in height • Base form shall have a smooth banded texture, with grooves 1 – 1.5cm apart • Interior base shall be curved to fit the contour of a standard tablespoon • The form shall be footed with an interior relief. • The lip of the form shall be smooth • The base form’s walls shall be less than .5 cm in thickness

  11. Next Time… • More interations • Much more detailed targeted discussion about the prototype • Finalize the prototype with glaze, and then fire for a final product. • 10% Shrinkage

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