EGR 100 Chapter Notes - Chapter 9: Adobe Freehand, Vanishing Point, Machinist
Document Summary
To understand basics of design drawing and its advantages. To understand the essential components of design drawings. Design drawing is the an important step in engineering a product. It includes sketches, freehand drawings and computer-aided design and drafting (cadd) models etc. Sketches are of objects and their associated functions. Marginalia includes the notes written in the margins. It serves as a launching pad for a brand-new design. It supports the analysis of a design as it evolves. It stimulate the behavior or performance of a design. It records the shape or geometry of a design. It communicates the final design to the manufacturing specialists. It enables to convey design ideas quickly and concisely. Types of sketches: (i) orthographic sketches: it lays out the front, right and top view of a part. (fig. 9. 1. a. ) (ii) axonometric sketches: axonometric sketches start with an axis, typically a vertical line with two lines 30 from the horizontal. This axis forms the corner of the part.
