INTD 408 FURNITURE DESIGN Design Principles. Ms. Joshima V.M., Department of Architecture & Interior Design, University of Nizwa, Sultanate of Oman.

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1 INTD 408 FURNITURE DESIGN Design Principles Ms. Joshima V.M., Department of Architecture & Interior Design, University of Nizwa, Sultanate of Oman.

2 Design Principles Design principles provide basic ideas about the practice of good designs and compositions. Design principles provide criteria that describe the formal intentions. Furniture Design Principles: Balance: Structural and Visual, Symmetry and Asymmetry Continuity, Unity and Variety Dynamism & Stasis Hierarchy & Emphasis Juxtaposition/Contrast Rhythm & Pattern Scale & Proportion

3 Balance Asymmetrical balance Symmetrical balance Approximate Symmetry Symmetrical balance

4 Balance Balance is the feeling of stability/equilibrium of a composition. Visual balance is the spatial weighing of a composition around an axis. Structural balance involves the physical equilibrium of freestanding elements. Visual balance and Structural balance are related but distant concepts.

5 Visual Balance Two types of visual balance: Symmetry a form of balance where a component ( or several components) is mirrored along an axis. Bilateral: symmetry around a common axis. Radial: symmetry around a common point. Asymmetry dynamic and appears in equilibrium along an axis through its form, though it cannot be mirrored.

6 Visual Balance Bilateral Symmetry Balance with equal weight on both sides of vertical axis. Identical or similar forms on both sides Art Nouveau Selette

7 Visual Balance Radial Symmetry Balanced with equal weight along the radius

8 Visual Balance Asymmetry Balanced with unequal weight on both sides Appears to be dynamic Charles and Ray Eames- Eames Chaise Gerit Rietveld s Berlin Chair

9 Structural Balance Structural balance considers forces in furniture to be in equilibrium. When forces are not in equilibrium, cantilevers can fail, shelves can sag and furniture can tip over. Furniture must withstand Lateral forces ( forces applied from the sides), Shear forces ( internal forces working in parallel but in opposite directions) and Moment forces ( rotational forces applied to joints)

10 Structural Balance Rocking chairs move back and forthdepends upon the weight and motion of the user, the form of the chair and the center of gravity of both the user and the chair to function properly. Micheal Thonet Bentwood rocker

11 Structural Balance Example cases: For Tall and narrow furniture, the center of gravity lies beyond the tipping point. Such furniture need to be attached on the floor, wall or ceiling to maintain structural stability. Dimensional limits are to be applied to horizontal span of shelves to avoid deflection and imbalance. Shelves, bed frames, cabinet doors, grandfather clocks etc depends on the basic engineering principles to maintain structural balance and function safely.

12 Continuity, Unity and Variety Relationship between the elements of a design/ composition which acts together to give a Sense of wholeness Sense of variety Unity can be achieved through Harmony Continuity Proximity

13 Unity Harmony: peaceful correlation of elements, complimenting each other Continuity: carefully designed way of directing eye across the design Proximity: closeness of two or more components that will tend to unify a group

14 Unity, Continuity and Variety Variety is the differences that is within the boundary of regularity. Eames Storage Unit ESU Vertical supports express continuity. The supports establish a repeatable pattern. Lacquered panels give variation to the design throughout their placement and color. Unity is achieved in the dynamic interplay between unit s components and its geometric order.

15 Dynamism and Stasis Dynamism is the sense of movement brought in a design. Dynamism can be achieved through rhythm, asymmetry, organic forms etc. Stasis is the sense of rest/stability brought in a design. Stasis can be achieved through increasing the visual weight, regular forms, symmetry etc.

16 Dynamism and Stasis

17 Dynamism and Stasis

18 Emphasis & Hierarchy Emphasis is giving importance to any of the feature in a composition Creating a focal point Hierarchy is creating an order of relative importance First the most important feature; Focal Point Next important feature/ features; Accents

19 Emphasis & Hierarchy Emphasis and Hierarchy points to priority and relative value in design. Achieved through the manipulation of the location, color, size, texture and shape.

20 Emphasis & Hierarchy

21 Emphasis & Hierarchy

22 Juxtaposition Simultaneous experience of the relationship between contrasting elements or characteristics Contrast created through: Size Shape Proportion Materials Texture Color

23 Juxtaposition/ Contrast

24 Juxtaposition/ Contrast

25 Juxtaposition/ Contrast

26 Rhythm & Pattern Rhythm is created by repetition/progression of one or more elements in defined intervals Rhythm create a sense of movement It s the order and structure of elements in space Establishes a pattern and texture Pattern is the way of arranging elements in a composition Made from points, lines and shapes

27 Rhythm & Pattern Rhythm and Pattern are codependent and shows the underlying structure of form through physical, spatial or temporal composition order.

28 Rhythm & Pattern

29 Rhythm & Pattern

30 Rhythm & Pattern

31 Rhythm & Pattern

32 Scale & Proportion Scale and proportions are dependent on the physical and spatial relationships. Scale is the relation of size of on object to another object or to the space in which it is placed. Proportion is the geometrical relation between parts and between parts and whole.

33 Scale & Proportion Perception of scale depends on the size of the furniture and the space in which it is placed. When surrounding space changes the scale perception also changes. Furniture can be visually heavy or light, compressed or extended depending on the proportions.

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35 Scale & Proportion