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FORM and FUNCTION
Let’s look at chairs. What is the function of a chair? To have people sit on it. If form always follows function, or was entirely determined by function, all the chairs should look the same. So why do chairs differ in material, structure, shape, size, colour, etc.? Because function can be complex. A chair in a public park may be built in stone or metal so that it won’t be worn out easily and can withstand the weather. An office chair may be height adjustable because of ergonomic considerations. A chair at home or hotel may be cozy and stylish to fit in the interior design of the space. Fabric design and colour may function in a way that supports emotional needs. Function is therefore a reflection of the requirement or purpose, which is fundamentally determined by human needs, wants and desires.
FACTORS AFFECTING DESIGN
Needs: When starting a design project the need or problem must be thoroughly researched and explored before possible solutions can be found.
Function: A design solution is successful if it does what it is meant to and solved the initial problem. If it does what it is meant to then it is said to be functional.
Aesthetics: The aesthetics of the design refers to the properties of the project related to appearance. The appearance can be described in terms of the elements of design, such as shape, size, line, direction, colour and texture.
Ergonomics: The Ergonomics of a design refers to how it is fitted to the structure of the body. Designers will use measurements that consider the length and size of every part of the body and the design will support this structure to ensure the body is held in a safe supported position.
Environmental consequences: Sustainable technologies use less energy, fewer limited resources, do not deplete natural resources, do not directly pollute the environment and can be used or recycled at the end of their useful life.
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