Computer-aided design (CAD) is a process that allows computer users to design a variety of products and geometric shapes on-screen, rather than building them by hand. Using CAD software, one can create and modify an object to determine how it will appear and function after it is built. CAD drawings often include a computer-generated image of the design, as well as its dimensions, processes, and materials. CAD drawings may be either two dimensional (2D) or three-dimensional (3D). When an object is drawn in 3D using CAD, the process is often referred to as rendering or modeling, while 2D design is often called “drafting.”
Category Archives: AutoCAD
AutoCAD was one of the first Computer Aided Design programs to be made available on personal computers. It is built to help people design buildings, products, or public spaces, without having to draw up plans by hand. It was released in 1982 by Autodesk, Inc., and offered a personal solution to software that was before then released only for larger workstations. While CAD programs prior to AutoCAD required massive amounts of computing power in the form of gigantic computers, AutoCAD streamlined its operating and optimized it for the IBM PC, allowing people to work from home or on their own work computers.
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CAD 2D DESIGNS:
PRACTICE THE BELOW DIAGRAMS EITHER BY 2D OR 3D VIEWS.
USE ANY POPULAR SOFTWARES LIKE AUTOCAD, PRO-ENGINEER, CATIA, SOLIDWORKS, UNIGRAPHICS, INVENTOR ETC
CAD DESIGN AND DRAFTING
Drawing 1: Practice The isometric View given in diagram.
Drawing 2: Draw the Above diagrams in any popular mechanical software.
Points to be borne in mind while drawing orthographic projections from pictorial views: 1. Since the pictorial view shows the object as it appears to the observer from one direction only, it may not clearly show the hidden parts, constructional details and the real shapes of its structures. All these Read more…
AutoCAD orthographic Views: Steps in drawing orthographic views from pictorial views: 1. Study the given pictorial sketch or object carefully following the principles of orthographic projection 2. Prepare sketches of the required orthographic views from the picture or object or model before scale drawing is started 3. Make a preliminary Read more…
AutoCAD 3D Modelling: Before study the 3D modelling, it would be desirable to study the 3D co-ordinate systems. 3D Co-ordinate systems 1. Absolute 3D co-ordinate system: XY plane is assumed to be parallel to the computer screen. +Z axis is perpendicular to the computer screen projecting towards the user. A Read more…
Introduction to AUTOCAD: AutoCAD, created by Autodesk, is the most widely used technical drawing program wherewith over 1.25 million registered users. Autodesk is the fourth largest PC software company in the world. According to the Autodesk, and for Computer Aided Design (CAD), but can also stand for Computer Aided Drafting Read more…