The Shulbasutras of Baudhayana, Apastamba, Katyayana and Manava: With Text, English Translation and Commentary c8.t27.15

c8.t27.15

Note that either side of the wing *AB*, *CD* will join exactly with either the south side *GH* or the north side *KL*. Similarly, the base of the head *BC* will fit in exactly with the eastern side *EF* of the body and the eastern side *AD* of the tail with the western side *JI* of the body. These junction lines are the *apyayas*. The four corners of the body are thus cut by lines *EL*, *FG*, *HI*, and *JK* joining the extremities of the *apyayas*, as proposed in the rule 16.1.