OF THE NATURE OF THE FOLDS IN DRAPERY.

That part of a fold which is farthest from the ends where it is
confined will fall most nearly in its natural form.

Every thing by nature tends to remain at rest. Drapery, being of
equal density and thickness on its wrong side and on its right, has
a tendency to lie flat; therefore when you give it a fold or plait
forcing it out of its flatness note well the result of the
constraint in the part where it is most confined; and the part which
is farthest from this constraint you will see relapses most into the
natural state; that is to say lies free and flowing.

EXAMPLE.

[Footnote 13: _a c sia_. In the original text _b_ is written instead
of _c_--an evident slip of the pen.] Let _a b c_ be the fold of the
drapery spoken of above, _a c_ will be the places where this folded
drapery is held fast. I maintain that the part of the drapery which
is farthest from the plaited ends will revert most to its natural
form.

Therefore, _b_ being farthest from _a_ and _c_ in the fold _a b c_
it will be wider there than anywhere else.

[Footnote: See Pl. XXVIII, No. 6, and compare the drawing from
Windsor Pl. XXX for farther illustration of what is here stated.]