Definition
A geometric drawing toy consisting of a set of plastic gears and rings that rotate together to create intricate, symmetrical patterns when a pencil traces along their edges. Released by Kenner in 1965, it combines mathematics and art.
Example Usage
I lost hours making elaborate Spirograph patterns as a kid, each one more complex and colorful than the last.
Origin
Invented by British engineer Denys Fisher; the mathematical principle is based on hypotrochoid and epitrochoid curves.
Fun Fact
Spirograph patterns are mathematically precise and governed by the same principles used in engineering and planetary motion calculations.
Source: Definition backfill (hailey)
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