Use the Snap and Grid tab of the Drafting Settings dialog box to set Isometric snap. One of the most useful aids for isometric drawing is the Isometric snap option of Snap and Grid modes. Polar tracking set to 30 increment angles is also an effective method. Polar coordinates and dynamic input or dimensional input are common basic point entry options for isometric construction because they allow you to specify angles. Isometric SnapOnce you understand the geometric layout of an isometric view, you can useĪny point entry method to construct an isometric drawing.
Introduction to Isometric Drawings, page 3 BAn example of an isometric drawing with isometric and nonisometric lines.Ĭopyright by Goodheart-Willcox Co., Inc. AAn isometric drawing creates equal angles between the three principle planes and edges of an object. Nonisometric lines: Lines that are not parallel to the axes in an isometric drawing.įigure 3B-2. Isometric lines: Lines that are parallel to an axis in an isometric drawing. Isometric text uses a specifi c obliquing angle and rotation depending on the plane and drawing application. The Isocircleoption of the ELLIPSE tool, described in Chapter 4, allows you to construct isometric circles and arcs easily. See Figure 3B-2B.Ĭircular features appear elliptical in an isometric drawing. The horizontal edges of an object are parallel to each other and form measurable isometric lines 30 from horizontal. The vertical edges of an object are parallel to each other and form measurable isometric lines 90 from horizontal. The angles between the three principle planes and edges of an object are equal. An isometric drawing has no perspective, and therefore edges that are equal in length are drawn equal in length. The term isometric means equal (iso) measure (metric).
Introduction to Isometric Drawings, page 2 An example of a 2D mechanical part drawing with an isometric view used to help visualize the product.Ĭopyright by Goodheart-Willcox Co., Inc. MADSEN DESIGNS INC.DIMENSIONS ARE IN INCHES (IN.)įigure 3B-1. Pictorial drawing: A drawing that shows the height, width, and depth of an object in a single view.isometric drawing: A view in which all three axes appear at equal 120 angles with the plane of projection.Ģ.
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AutoCAD and Its ApplicationsAdvanced describes how to construct 3D models. However, a 3D model provides a better way to display isometric views, for most applications. This supplement focuses on tools and drawing aids that help you create 2D isometric views that look 3D, as if the object tilts toward you. Introduction to Isometric DrawingsThe most common type of pictorial drawing used in the drafting industry Introduction to Isometric Drawings, page 1