Involutes, ContinuedInvolute of asquareTo draw an involute of a square, use this table:StepAction1Given square ABCD, extend all sides any convenient length.2With CA as a radius and C as a center, draw arc AE.3With DE as a radius and D as a center, draw arc EF.4Repeat this procedure until you complete a figure of the desiredsize.Figure 2-54 is an example of an involute of a square.Figure 2-54.—An involute of a square.Continued on next page2-56
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