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How to draw a line using polar co-ordinate system.

we can use absolute or relative polar coordinates (distance and angle) to locate points when creating objects.



The polar coordinate system is a two-dimensional coordinate system in which each point P on a plane is determined by the length of its position vector r and the angle q between it and the positive direction of the x-axis.




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Draw a line using polar co-ordinate system in AutoCAD

1. Open AutoCAD software from desktop short cut or from start menu.   2. Now type "LINE" and press ENTER KEY. Then enter 0,0 as first point of the line.   3. Then type 5<30 as second point of the line. This "<" symbol is used for the line point moves to 30 degrees from positive x-axis. 4.  Now again type 2.45<270 as next point of the line. 5. After generating the line press <Esc> key from key board to exit from line command. The lines shown like below image. BACK to Day-1 Lessions CLICK HERE to get CAD HOME Work help or project help (paid)
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How to start AutoCAD software in windows operating system?

1. Click on window button located near left bottom corner then click on AutoDesk or AutoCAD folder then select "AutoCAD" to open the software. or Type "AutoCAD" in the search box located near bottom left corner of the desktop then right click on the displayed application the select "Run as administrator" option. 2. Then AutoCAD application opened look like bellow image. (it will take time depending upon the system configuration). 3. Basic user interface of the AutoCAD application. BACK to Day-1 Lessions CLICK HERE to get CAD HOME Work help or project help (paid)
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How to use Undo and Redo in AutoCAD

1. a)Open AutoCAD application from desktop shortcut menu. b)Select new document icon from quick access toolbar and open “ansi-a” template. c)Now click on model layout tab. d)Draw a line by using line command. 2. 3. 4.Now save the drawing by clicking on save icon from quick access tool bar. BACK to Day-2 Lessions
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Advantages and disadvantages of AutoCAD.

Advantages of AutoCAD: 1. A mid range Software 2. User Friendly 3. Fulfills most of the professional needs of a mechanical engineer 4. Lots of Time saving (but not always) 5. Paperless Environment 6. Ease of Accuracy — e.g.  joining of lines head to head is not possible manually with desired accuracy 7. Easy to edit 8. Ease of Repetition / Addition 9. Reproduction of Drawing is easy, rapid and reliable in terms of dimensional accuracy and precision. 10. 2D and 3D production of drawings is very easy. 11. Zoom Command Facility allows us to see the minute details on larger scale view. 12. A facility of Modeling and making Parts library is available. 13. Parent – Child relationship allows multiple editing in single command, means if one part is edited all other linked parts are auto edited 14. Layers option allows us to hide or show some specific details of a complex assembly drawing for clear understanding. 15. There is no limitation of a Drawing size. You can draw a...
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CAD softwares Home work help

Hi! friends! Welcome to my blog! Here we are providing help for create the objects using CAD (Computer Aided Design) Software's like AutoCAD, SolidWorks, Pro-E, Catia and AutoDesk Inventor. Service's provide:- - Generate Front view, Top view, Side view form given 3D object drawing or isometric drawing. - Generate isometric view from given orthographic projections. - Convert 2D drawings or line diagrams to 3D objects or 3D renderings. - Generate Projection views form old drawings. - Generate lateral surfaces from objects. - Provide solid models to use in Analysis software's. - Provide .stl files for 3D printing purpose. CLICK HERE TO GET PAID HELP   Learn AutoCAD in 30 days free!
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How to draw a line using cartesian coordinate system on graph paper?

The Cartesian coordinate system in two dimensions (also called a rectangular coordinate system) is defined by an ordered pair of perpendicular lines (axes), a single unit of length for both axes and an orientation for each axis. The lines are commonly referred to as the x- and y-axes where the x-axis is horizontal and the y-axis is vertical. The point where the axes meet is taken as the origin for both, thus turning each axis into a number line. For a given point P, a line is drawn through P perpendicular to the x-axis to meet it at X and a second line is drawn through P perpendicular to the y-axis to meet it at Y. The coordinates of P are then X and Y interpreted as numbers x and y on the corresponding number lines. The coordinates are written as an ordered pair (x,y). BACK to Day-1 Lessions CLICK HERE to get CAD HOME Work help or project help (paid)
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What is AutoCAD? What is the versions and uses of AutoCAD?

What is AutoCAD? AutoCAD is a computer-aided design (CAD) program used for 2-D and 3-D design and drafting. This application was developed and marketed by Autodesk.   Versions of AutoCAD? Release no. Versions Released Date Description 1 AutoCAD 1.0 Dec-82 It was the first initial release of AutoCAD. It was demonstrated at the Comdex (computer expo trade show). The file format DWG R1.0 was introduced during the time of release. 2 AutoCAD 1.2 Apr-83 It was released after the first initial version. The file format DWG R1.2 was introduced. 3 AutoCAD 1.3 Aug-83 The file format DWG R1.3 was introduced. This version introduced add on features such as configuration, justified text, adjustment of alignment and plot origin, grid spacing, large plotter, standardized color numbers, and addition of header information in the DXF file. 4 AutoCAD 1.4 Oct-83 Some of the features were...
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Procedure to create a block with attributes in AutoCAD

1. a)Open AutoCAD application from desktop shortcut icon or start menu. b)Click on “open icon” and select “acad” file then click on “Open” button to start new document. 2.Type “ATTDEF” and press ENTER KEY to create attributes. 3.Save the document by click on quick save icon from quick access tool bar.
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How to use quick properties palette in AutoCAD

1. a)Open AutoCAD application from desktop shortcut menu. b)Select new document icon from quick access toolbar and open “ansi-a” template. c)Now click on model layout tab. d)Click on “LINE” command from draw panel. e)Now move the cursor to 4 units in X axis and 2 units in Y axis and pick the line stating point. f)Now move the cursor 2 units horzontally rights side and pick another point of the line. g)Like wise above steps move the cursor or cross hair to required points shown bellow image and pick the points to get the required shape. h)Finally enter “C” to close the line. i)And draw circle by using Circle command. j)Now drag the mouse over the circle after pressing left mouse button below the circle and end the dragging after closing the circle. 2. 3. 4. After changing center X value. See the image. 5. Now change center Y value. See the image. 6. After pressing key form KEY BOARD the circle deselected and quick properties window also disappears. 7. ...
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