Auxiliary views shall be connected to the adjacent view from which they are developed by a single center line or an extension line connecting identical external edges of the part. The centerline shall go through the same feature in both views. The extension line shall have a gap between the visible edge of the part and the extension line equal to .09 | MORAINE VALLEY COMMUNITY COLLEGE Engineering Drawing & CAD Standards Mechanical Design/CAD Program C. Bales, M. Vlamakis Revision:May 11, 2010 9000 WEST COLLEGE PARKWAY, PALOS HILLS, ILLINOIS, 60465 Engineering Drawing & CAD Standards 2010 TABLE OF CONTENTS I. Line Conventions I-4 Center lines . I-4 II. Drawing Conventions II-8 Auxiliary Views . II-8 Partial Views II-8 Section Views . II-8 Conventional Breaks II-9 Developments II-10 III. Dimension Conventions . III-10 Dimension Appearance. III-10 Dimensioning Procedure .
