Each element of each figure must be in proper proportion to each of the other elements in the figure, except where the use of a different proportion is indispensable for the clarity of the figure.[R. 11.13(g); ]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_v_7_6.htm
Date retrieved: 17 May 2021