Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.

萬花尺 （日语： スピログラフ ，俗稱 デザイン定規 ，英語： Spirograph ，俗稱 Design Ruler ），也叫繁花曲线规，是一種繪圖 玩具，由外圖板及內圓圖板兩部分組成。 內圓圖板像一個齒輪，沿圓心不同半徑的位置帶有許多筆洞，外圖板為一類似為內齒輪的大型圓孔，內圓板放在外圖板的圓洞中，循著 ...

Interactive Spirograph. Adjust the radius and the period to make new and creative shapes. Adjust the slider Alpha to see the Spirograph wheel trace around the circle. Watch the point "TraceThis" to see it trace out the design. Click on "Show Locus..." to reveal the entire curve.

Spirograph was one of those toys that as a kid you either loved or were scared of. The clever contraption has been inspiring artists for more than two centuries, with the first Spirograph set appearing in the early 19th century. The word “Spirograph” directly translates from the Greek words “Spiros” and “grapho”, meaning “in a ...

The Original Spirograph Drawing Set with Markers - Spirograph: Creative Craft Kit for Kids 8+, Includes Activity Guide. Spirograph. 4.4 out of 5 stars with 212 ratings. 212 reviews. Add to cart. $23.53. Spirograph® Spirograph® Cyclex Design Set. Spirograph. Add to cart. $16.95.

Spirograph sets are a geometric drawing activity, first sold in 1965, which produce artistic, elliptical roulette curves. To create repeated curves, a small shape with geared edges moves repetitively around the inside of a larger, geared shape. Create your own household version of a spirograph and read more about its engineering and history! In

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2024年5月21日 · A spirograph is a drawing toy that allow the user to draw patterns of cyclical curved lines. The original toy consisted of a series of templates and inserts which meshed together using teeth like those of machine gears. The inserts were perforated with a number of holes for accepting a pen or pencil and by holding the instrument down while ...