![]() Notice that all measurements are made parallel to the main edges of the enclosing box-that is, parallel to the isometric axes. Normal is used technically to mean “at right angles.” A normal surface is any surface that is parallel to the sides of the box. The Step by Step feature on the next page shows how to construct an isometric drawing of an object composed of all “normal” surfaces. For example, imagine the object shown in the two views in the Step by Step feature at right enclosed in a construction box, then locate the features along the edges of the box as shown. Rectangular objects are easy to draw using box construction, which consists of imagining the object enclosed in a rectangular box whose sides coincide with the main faces of the object. Learn More Buy 3.11 Making an Isometric Drawing Modern Graphics Communication, 5th Edition 3.25 Choice of Position in Oblique Drawings.3.18 Orienting Ellipses in Isometric Drawings.3.3 Sketching Circles, Arcs, and Ellipses. ![]()
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