What is Autocad ?
AutoCAD is a commercial software application for 2D and 3D computer-aided design (CAD), and in design, drafting, modeling, architectural drawing, and engineering software.— available since 1982 as a desktop application. The software is used to design a specific task like building plans, architectural works and vice-versa. It is used to get the accurate dimensions or measurements without any deviations in dimensions.
AutoCAD was one of the first Computer Aided Design/Drafting (CAD)
software applications in the world.
The first version of AutoCAD was released at the end of 1982, and it was
designed to be used only on PCs.
Since 1982, AutoCAD has increased dramatically on a global scale.
Users can draw both two-dimensional (2D) drawings and three-dimensional
(3D) designs in AutoCAD.
There is another version of AutoCAD called AutoCAD LT that is dedicated
to 2D drafting only.
TYPES OF DRAWINGS
Two Dimensional Drawings.
Three Dimensional Drawings.
- Two Dimensional Drawings:-
In the two dimensional drawings we (ourself) while drawing the plan by using software use only the X-axis and Y-axis planes. So in the two dimensional view the plan is visible only in two views i.e Top view.
The two dimensional plans are mostly drawn for measurements.
2. Three Dimensional Drawings:-
In the three dimensional drawings we while drawing the plan by using software opt for the three dimensional view the settings. By this the user can axis the X-axis, Y-axis, and Z-axis planes. The three dimensional view the plan in three directions Top, Side, and Front view.
The three dimensional plans are used to show the elevations.
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MODELS CAN BE USED FOR DESIGNING
Aircrafts
Manufacturing
Buildings,Trusses,Bridges etc.,
Advantages of autocad
Reducing the design time
Producing prototype faster.
Higher Product Quality and Accuracy.
Higher Productivity
CAD is not only used as Drafting tool but also design tool like mass properties.etc.,
Cad is used for modelling
Wire frame Modelling
Surface Modelling
Solid Modelling
Fundamental concept of autocad commands
Basic geometric constructions
Orthographic projections
Advanced features
Three Dimensional Models.
Advanced packages by autodesk –mechanical desktop
Drafting and drawing
Legibility and quality Prints etc., compared to Hand Drawings.
Simulation
Database
Modifications.
Architecture software is the version of AutoCAD specifically for architectural design. Architectural drafting tools enable you to design and document
Typical Data that would be normally contained in drawing file is two types:
Organisational Data
Identification Number
Drawing Number
Design origin and status of changes
Current Status
Designer name
Data of Design
Scale
Type of Projection Company
2. Technological Data
Geometry
Dimensions
Tolerances
Surface finish
Material specifications or reference
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