This mini-lesson covers Topic 6 — Classic design: the characteristics of a classic, the idea of a dominant design, form follows function, types of obsolescence, and the role of branding.
Work through each screen, answer the questions as you go (some are wordy, some are calculations) and collect ⭐ stars. Press Start when you are ready.
A classic design is a product whose form and function remain desirable and largely unchanged over a long period. It is widely recognised, often imitated, and keeps selling for decades.
Typical characteristics: strong aesthetics that do not date, fitness for purpose, a clear identity, and often a link to a dominant design. Examples include the Anglepoise lamp, the VW Beetle and the contour Coca-Cola bottle.
Key idea: a classic is not just old — it endures because it does its job well and looks right, generation after generation.
A dominant design is the configuration that the market settles on as the accepted standard — for example the layout of a modern smartphone, or the diamond-frame bicycle. New entrants tend to copy it.
Form follows function (a modernist principle) means a product's shape should be driven by its purpose, not by unnecessary decoration. Many classics are admired precisely because nothing is wasted.
Watch out: a dominant design is about becoming the industry standard; a classic is about enduring appeal. A product can be both, but they are not the same thing.
Many classic designs use pleasing proportions. The golden ratio (about 1.618) appears in furniture, typography and product outlines because the resulting rectangles look balanced.
A card is designed with a long side of 89 mm in golden proportion.
short side = 89 ÷ 1.618 = 55 mm (to the nearest mm)
Tap an example, then tap the type of obsolescence.
Products become out of date through obsolescence:
Branding — a strong, consistent identity (name, logo, form) builds recognition and loyalty. Powerful branding can turn a well-designed product into an enduring classic.
Evaluate: planned obsolescence boosts sales but conflicts with sustainability — a key tension in Topic 6.
Tap a description on the left, then its term on the right.
George Carwardine's 1930s Anglepoise used constant-tension springs to hold any position — form driven by function. Its purposeful mechanism and honest shape have kept it desirable for nearly a century, the hallmark of a classic.
Key idea: classics usually solve a real problem elegantly, then simply endure.
Early in a market many rival configurations compete. Over time users, makers and standards converge on one that "just works" — the dominant design. Once set, it lowers cost (shared standards) and switching becomes hard, so it locks in.
The modern touchscreen smartphone is a recent example of a configuration the whole industry adopted.
Some products are deliberately designed to wear out, go out of fashion, or become incompatible, so buyers replace them sooner. This planned obsolescence boosts short-term sales but wastes resources and can erode trust.
Evaluate: planned obsolescence sits in direct tension with sustainability and the circular economy — a key discussion point.
A classic is often reinforced by consistent branding: a recognisable silhouette, colour or logo that stays stable for decades. The contour Coca-Cola bottle is identifiable even in the dark or in fragments — brand and form fused into one.
Strong identity builds loyalty and lets a product resist cheaper imitators.
Fashionable products spike then fade; classics resist fashion by staying fit for purpose and visually timeless. The test of a classic is longevity: it keeps selling and being copied long after its launch, without needing constant restyling.
Key idea: good function + timeless form + strong identity = the recipe for a classic.
Classic design: a product whose form, function and appeal endure for decades (e.g. Anglepoise lamp, VW Beetle, Coca-Cola bottle).
Dominant design: the configuration that becomes the accepted standard others copy.
Form follows function: the shape is driven by purpose, not decoration.
Obsolescence: functional, style (aesthetic) and planned.
Branding: strong, consistent identity builds recognition and loyalty and can make a design iconic.
You have worked through Classic Design for IB Diploma Design Technology SL. Press Finish to see your score.
You have worked through Classic Design for IB Diploma Design Technology SL. 🎉
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