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AutoCAD 2002Lab no (3)5/4/12

3d drawingq

Solids drawing: Box. Sphere. Cylinder. Cone. Wedge. Torus.5/4/12

AutoCAD 2002

Preparation of screenClick on View toolbar. Choose 3D Views. Choose SW Isometric. Click on View toolbar. Choose Shade. Choose 3D Wireframe. Coordinate system will become as shown in figure below.

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AutoCAD 2002

Preparation of screenSolid drawing toolbars: Solid toolbar.q

Solid Editing toolbar. Shade toolbar. View toolbar.5/4/12

AutoCAD 2002

Box

Example:

Draw box has base of 50 60 mm and height of 40 mm.

Drawing steps:

Command: box Specify corner of box or [CEnter] : 0,0 Specify corner or [Cube/Length]: 50,60 Specify height: 40

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AutoCAD 2002

Sphere

Example:Draw sphere has radius of 50 mm.

Drawing steps:Command: sphere Specify center of sphere :0,0 Specify radius of sphere or [Diameter]: 50

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AutoCAD 2002

Cylinder

Example:Draw cylinder has base radius of 30 mm and height of 50 mm.

Drawing steps:Command: cylinder Specify center point for base of cylinder or [Elliptical] : 0,0 Specify radius for base of cylinder or [Diameter]: 30 Specify height of cylinder or [Center of other end]: 50

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AutoCAD 2002

Cone

Example:Draw cone has base radius of 30 mm and height of 60 mm.

Drawing steps:Command: cone Specify center point for base of cone or [Elliptical] : 0,0 Specify radius for base of cone or [Diameter]: 30 Specify height of cone or [Apex]: 60

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AutoCAD 2002

Wedge

Example:

Draw wedge has base of 50 60 mm and height of 40 mm.

Drawing steps:Command: wedge Specify first corner of wedge or [CEnter] 0,0 Specify corner or [Cube/Length]: 50,60 Specify height: 40 :

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AutoCAD 2002

Torus

Example:Draw torus has torus radius of 60 mm and tube radius of 10 mm.

Drawing steps:Command: torus Specify center of torus : 0,0 Specify radius of torus or [Diameter]: 60 Specify radius of tube or [Diameter]: 10

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AutoCAD 2002

logical Union.Subtract. Intersect.

operations

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AutoCAD 2002

Union

Example:

Union the objects shown in figure below.

Steps:

1

1- Select Union command. 2- Select the objects to union. 3- Press Enter to apply the command

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3

AutoCAD 2002

Subtract

Example:Draw the hollow cylinder shown in figure below.

Steps: 1- Draw cylinder has base diameter 60 and height 50. 2- Draw another cylinder concentric with the first cylinder has base radius 20 and height more than 50. 3- Select Subtract command. 4- Select the first cylinder and then press Enter. AutoCAD 5/4/12 5- Select the second cylinder and then 2002

Subtract

1

2

3

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AutoCAD 2002

Intersect

Example:Find the intersection region for the figure below.

1 Steps: 1- Select Intersect command. 2- Select the objects to find the intersection region between them. 3- Press Enter to apply the command

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3

AutoCAD 2002

Converting from 2d to 3dExtrude command.

Thickness command.

Converting from line to polyline

Region command.

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AutoCAD 2002

Example (1):Extrude circle has diameter of 60 mm to height of 60 mm and slope angle of 7o.

Extrude

Steps: 1- Draw the circle. 2- Select Extrude command and then select the circle. 3- Specify the value of height of extrusion by 60 and press Enter. 4- Specify the angle of taper for extrusion by 7 and press Enter.

After shading

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Before shading

AutoCAD 2002

Example (2):Draw the figure below by using polyline and extrude it for height 50.

Extrude

Steps: 1- Draw the shape by using polyline. 2- Select Extrude command and then select the shape. 3- Specify the value of height of extrusion by 50 and press Enter. 4- Specify the angle of taper for extrusion by After shading 5/4/12 Before shading 0 and press Enter. AutoCAD 2002

Draw the figure below

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