Stuart Morris
Module (DfIM 02) Design for Interaction
Lecturer Fran Bacon 12/11/02

Brief 3

The ideas involved with redesigning the lighter based on both zippo and Bic Gas come from evaluating both the good and the bad points from each one. Both types of lighter have their preferential users for many reasons, and the lighter will function accordingly. the majority of users will use the lighter for lighting cigarettes but the design of the lighter must reflect other uses for which a lighter is often used EG

  • lighting a gas or log fire
  • emergency light source,
  • heat source for melting frozen car locks
  • soldering wires together when an iron is not available

Environmental considerations are based on where the users would expect to use a lighter. The answer *anywhere* was not so easy to accomodate, due to the nature of the item it would be dificult to maintain a flame in very windy or wet conditions. It is also an important consideration to make the lighter safe to store in a pocket when not being used.

The Tasks the users needed to be able to carry out included

  • Refuelling the lighter
  • inexhaustable ignition mechanism
  • no handed use
  • easy regulator adjustment
  • non orientated operation (the lighter must be able to function on its side for short periods)

Produce a design for a lighter eliminating or reducing usability errors and floors taking possible lack of user dexterity in to consideration

To redesign the lighter taking experience from the design of the disposable gas lighter and the zippo lighter, other design influences may be used.

Evaluation of the gas and zippo lighters for positive design factors, and brainstorm to redesign factors not covered by previous evaluation.

The design methodology used will be a repeated horizontal design, each design function will be assessed, evaluated and redesigned in turn with respect to the previous design until all requirements have been met satisfactarily.

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