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| Cameo - Alexander the Great Italy 17th century agate, rock crystal Hermitage, Saint Petersburg |
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| Cameo - Male Head Italy ca. 1575-1600 garnet Hermitage, Saint Petersburg |
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| Cameo - Athena Italy 17th century agate Hermitage, Saint Petersburg |
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| Cameo - Aphrodite on Dolphin with Tritons Italy 16th century onyx Hermitage, Saint Petersburg |
Q: What is your definition of design?
A: A plan for arranging elements in such a way as to best accomplish a particular purpose.
Q: Does the creation of design admit constraint?
A: Design depends largely on constraints.
Q: What constraints?
A: The sum of all constraints. Here is one of the few effective keys to the design problem – the ability of the designer to recognize as many of the constraints as possible – his willingness and enthusiasm for working within these constraints – the constraints of price, of size, of strength, balance, of surface, of time, etc. – each problem has its own peculiar list.
Q: Does design obey laws?
A: Aren't constraints enough?
– from What is Design? by Charles Eames (1972)
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| Cameo - Bacchus and Ariadne Italy 16th century carnelian Hermitage, Saint Petersburg |
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| Cameo - Four Female Profiles Italy 16th century sardonyx Hermitage, Saint Petersburg |
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| Cameo - Hercules and Antaeus Italy 16th century agate Hermitage, Saint Petersburg |
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| Cameo - Adam and Eve Italy ca. 1400-1450 turquoise Hermitage, Saint Petersburg |
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| Cameo - Bacchante Italy 16th century onyx Hermitage, Saint Petersburg |
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| Cameo - Demeter in Chariot Italy 17th century agate Hermitage, Saint Petersburg |
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| Cameo - Diana Italy (Florence) ca. 1555 onyx, gold, enamel Hermitage, Saint Petersburg |
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| Cameo - Genius riding Hippocamp Italy 16th century sardonyx Hermitage, Saint Petersburg |
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| Cameo - Triton riding Hippocamp Italy 16th century shell cameo Hermitage, Saint Petersburg |
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| Cameo - Mask of Pan Italy 17th century lapis lazuli Hermitage, Saint Petersburg |
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| Cameo - Emperor Hadrian Italy ca. 1675-1700 agate Hermitage, Saint Petersburg |
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| Cameo - Julio-Claudian Prince Italy 16th century agate Hermitage, Saint Petersburg |
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| Cameo - Fall of Icarus Italy ca. 1580-1620 onyx Hermitage, Saint Petersburg |