12 basic principles of NUI design

Original author: Dan Saffer
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Good day, habravchane. I want to share with you Dan Seifer's answer from Quora to a question about the basic principles of a natural user interface and the very useful Design Principles FTW website .

NUI Design Fundamentals

1. Design for fingers, not for cursor.
Touch elements should be larger than desktop: 10-14 mm for fingers, 8-10 for cursor.

2. Remember physiology and kinesiology
Do not force users to scale and perform repeated actions.

3. No gorilla hands.
People should not perform many tasks with outstretched hands for a long time (calibration, QR readers, scanners, etc.) . I apologize for such a narrow moment .

4. Screen coverage.
Making any gestures with the fingers of the hand in which the device is located, the user blocks the screen to himself. Try to place the necessary controls in a conspicuous place.

5. Know the technology
Understanding the capabilities of the sensor or camera allows you to determine which gestures you can design.

6. The more complex gestures, the fewer people will perform or want to perform them

7. Initialize actions when released, not when touched

8. Attractive features
Use simple gestures to let the user start using the system.

9. Avoid unintentional actions.
With a variety of daily user movements, some actions may be performed accidentally. Avoid.

10. Controls and gestures
Provide easy access to functionality (buttons, slides, menus) and thoughtful catchy gestures for shortcuts.

11. The need for diversity
There are many ways to perform any gesture.

12. Combine the complexity of the gesture with the frequency of the function for which it is responsible.
Set simple gestures for simple and frequent tasks.

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Thank you all for your attention.

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