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Surfaces of Products. Mechanical Forms. Bang & Olufsen BeoSound 3000. The Mechanical Forms. Cubes, cylinders and their Boolean results are easy to machine Mechanical forms lack the subtle, interesting changes in silhouette and high-lights which free-forms possess
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Bang & Olufsen BeoSound 3000 The Mechanical Forms • Cubes, cylinders and their Boolean results are easy to machine • Mechanical forms lack the subtle, interesting changes in silhouette and high-lights which free-forms possess • To make geometrical forms interesting, designers focus on dramatic overall compositions or play around with graphical tricks such as asymmetry, contrast, repetition, etc.
Internal edges aligned to one or two directions. Everything snap to an invisible ‘grid’. The overall result is a sense of order emerge from microscopic chaos
Overall Composition Adapted from: www.amadana.com and www.barouche.net
Heater by Plusminuszero Humidifier by Plusminuszero Reflectius by Art Lebedev Conflict chair by Aviad Gil
Arrangement of Details DateBlock Non-paper perpetual calendar. Splash CD Radio by Yuento
Surface graphics Nokia 7500 prism
The Aesthetic Judgement for Geometrical Form Design • Good product forms are those which produce interesting 2D image at all viewing angles • Interesting 2D images are the result of variation and contrast • Volumetric proportion • Silhouette contours • Graphical elements on surfaces
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
Developable Surface • In mathematics, a developable surface is a surface that can be flattened onto a plane without distortion • Many developable surfaces can be visualised as the surface formed by moving a straight line in space • Developable surfaces that can be realized in 3D space are cylinders, cones, planes • Spheres are not developable as they cannot be unrolled into a plane • All developable surfaces are ruled surfaces • Not all ruled surfaces are developable surface, hyperboloids are examples of ruled surfaces that are not developable
Developable Product Forms • 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 • By introducing free-form curves and varying the matching endpoints, designers can introduce dynamism to the product form
Sheet As Structures Bendable Interior Objects Easy.Storage for B-LINE by Matthias Demacker Lightlight table lamp by stauffacherbenz
Sheet As Structures origami.series for van esch by Matthias Demacker Come back by Velopa
Sheet As Structures Bourgogne by Mikael Ling Vertigo side table by Aquilialberg FULGURO's reLeaf Di Classe
Sheet As Decoration Driade 100 PIAZZE by Fabio Novembre Creep tables and shelves by Susan Bradley's Light as a feather 'Alle cinque' Trays by Serafino Zani
'Flat' Travel tray byMarco Susani, Mario Trimarchi Flexible Sheet Materials Salad Set by Karichdesign Kombinationsbestick by Kristin Granath
Tote by conphorm Flexible Sheet Materials
Opus series by Lamina Design Adapted from: http://www.laminadesign.com
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
Example of Ruled Surfaces on Products Thermos Jug by Boda Nova
Example of Ruled Surfaces on Products Brody Sofa by Arthur Koutoulas Elic umbrella stand Moshimy cellphone dockby Michael Young'
Negative Ruled Surface Created From Running A Profile Across 2D Space
Sweep Surfaces • Sweep surfaces are transitional surfaces • Between 2 profiles connected at a common end point • Between 3 profiles connected at 2 or 3 common end points • Between 4 profiles connected at 4 common end points • Planes, Cylindrical, and Ruled surfaces are a sub-set of sweep surfaces
Generic swept surfaces consist of 2 or more curves joined end-to-end In NURBS modelling they are called U,V pairs
At least 1 straight line to other profile Single curvature Not single curvature From any point on one profile
The quality of surface is determined by bounding lines Surface created by uniformly deform one curve to another
Products With Sweep Surfaces Salty by Munire Kirmaci
Pioneer MT-01 Power Line Sound System Products With Sweep Surfaces
Products With Sweep Surfaces DePadova by Xavier Lust Misfits sofa by ARAD Ron Swingline stapler by Scott Wilson
Differentiate sweep forms from blobs Created by the meeting of two different planes or surfaces May be positive or negative, but has more inherent 'integrity' than a feature line Persistent elements, dominate the form even after filleting Effective carrier of meaning and emotion The edges where sweep patches meet in CAD Crease Lines