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Ruled Product Forms

Ruled Product Forms

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Ruled Product Forms

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  1. Ruled Product Forms

  2. Ruled Surfaces • Ruled surfaces are transitional surfaces • between two open or closed profiles • Between one open or closed profile and a point • There must be at least one straight line that connect any point on the one profile to the other profile or point • Planes and Cylindrical surfaces are a sub-set of ruled surfaces

  3. At least 1 straight line to other profile Single curvature Not single curvature From any point on one profile

  4. Use of Ruled Surfaces • By introducing free-form curves and varying the matching endpoints, designers can introduce dynamism to the product form • Straight ruled surfaces appears on many products formed by folding and bending sheet materials • Skilful combination of ruled surfaces can make a mathematically simple developable surface looks as dynamic as very complex surface

  5. Example of Ruled Surfaces on Products Thermos Jug by Boda Nova

  6. Example of Ruled Surfaces on Products Brody Sofa by Arthur Koutoulas Elic umbrella stand Moshimy cellphone dockby Michael Young'

  7. Negative Ruled Surface Created From Running A Profile Across 2D Space

  8. Double Helix Columns by Antoni Gaudi Adapted from: Tangible interfaces to explain Gaudi’s use of ruled-surface geometries Interactive systems design for haptic, nonverbal learning

  9. Design a coffee-set consist of a pot, a cup, and a saucer Use ruled surfaces only No graphics, single colour only Contrast, proportion, and void User-friendly Prepare a colour rendering of your final design Ruled Coffee-set