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French curve

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Template made from metal, wood or plastic composed of segments of smooth curves
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A set of the three most common French curves, also known as aBurmester set. The bottom object is most commonly used forhyperbolas; the smaller one above it is suited forellipses. The large one is used mostly forparabolas.[1]

AFrench curve is a template usually made frommetal,wood orplastic composed of many different curved segments. It is used in manualdrafting and infashion design to draw smooth curves of varying radii. The curve is placed on the drawing material, and apencil,knife or other implement is traced around its curves to produce the desired result. They were invented by the German mathematicianLudwig Burmester and are also known as Burmester (curve) set.

Clothing design

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A completeBurmester set from theLexikon der gesamten Technik (1904)

French curves are used infashion design andsewing alongsidehip curves,straight edges andright-angle rulers.Commercial clothing patterns can be personalized for fit by using French curves to draw neckline, sleeve, bust and waist variations.

See also

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  • Flat spline – Long flexible batten used to produce a fair curve through a set of points
  • Lesbian rule – Flexible strip of lead for use in molding
  • Ruler – Instrument used to measure distances
  • Technical drawing tool – Tools and instruments used for accurate and precise manual drafting

References

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  1. ^"Drawing tools – French curves".

External links

[edit]
Measuring and alignment tools
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