Silhuettes of different people:one with a broken arm, tall and short people, walking with a cane, using a wheelchair.

Universal Design

The 7 principles

The 7 principles of universal design were developed at the North Carolina State University in 1997 by architects, product designers and environmental design researchers, to guide designers towards more universal solutions.

The principles can be used to evaluate and reflect upon existing solutions. Furthermore to accommodate a universal design process not excluding anyone.

Newly planted median between the street and new sidewalk, including disabled entrance ramp, ferns, ornamental grasses, other plants, and orange safety cone.

Equitable Use

The design is useful and marketable to people with diverse abilities.

Two coworkers in correct sitting posture at adjustable desks.

Flexibility In Use

The design accomodates a wide range of individualism and abilities

Furniture assembly instructions on a wooden background.

Simple and Intuitive Use

The design should be easy to understand regardless of the users knowledge, language, skills or concentration level.

Tactile paving for blind handicap on tiles pathway, walkway for blindness people.

Perceptible Information

The design communicates necessary information effectively to the user, regardless of ambientconditions or the user’s sensory abilities.

Software menu item with undo command highlighted and mouse cursor selected it, macro shot

Tolerance for Error

The design minimizes hazards and the adverse consequences of accidental unintended actions

Woman using automatic soap dispenser in bathroom, closeup.

Low Physical Effort

The design can be used efficiently and comfortably and with a minumum of fatigue. 

Various Sign and Symbol Placed on the Floor of Entrance Platform to Subway Train

Size and space for approach and Use

Appropraite size and space is provided for approach, reach, manipulation and use regardless of users body size, posture or mobility.

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Universal design the 7 principles

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