AutoCAD_Creating 3d Models_Week 11

Aim:- To create a 3D furniture element 

Commands used:

• Line
• offset
• Trim
• Boundry command

Procedure

• Open the autocad
• Type UN in the command prompt
• Select the Engineering and preciion to 0'0"
• Type limits and specify the lower and upper limits
• z enter a enter
• Select the 3D modelling 
• Type 2'6" in the command prompt x axis keeping mouse in the direction
• Type 2'6" in the command prompt z axis keeping the mouse in the direction
• Type 3' in the command prompt y axis keeping the mouse in the direction
• Type 2'6" in the command prompt the x axis keeping the mouse in the direction
• Type 2'6" in the command prompt z axis keeping the mouse in the direction
• Type offset and specify the distance as 2" and do the offset of z axis
• Change the plane and do the offset of 2" and do the offset in y axis
• Join the line whereever required
• Trim the extra lines using trim command
• Select the line command from ribbon bar and join the inner line of x and y plane 
• The desired drawing is obtained

Result:-

The following result is obtained.

2. Aim:- Create a 3D model of isolated footing

Commands used:

• line
• Trim
• Offset
• boundry
• move
• rectangle

Procudure:-

• Open the autocad
• Type UN in the command prompt and select Engineering and precision as 0'0"
• Type limits and specify the lower and upper limits
• ztype Z enter A enter
• Select the 3D modelling from the lower left corner 
• Select the line command from the ribbon bar
• Type 2' in the x axis keeping the mouse in the direction with ortho on
• Type 6" in the command prompt in z axis  keeping the mouse in the direction
• Type 2' in the command prompt in x axis keeping the mouse in the direction
• Type 2' in the command prompt in y axis keeping the mouse in the direction
• Type 6" in the z axis keeping the mouse in the direction
• Type 2' in the y axis keeping the mouse in the direction
• Select rectangle from the ribbon command and make a rectangle with 1'x1' 
• Select the move command and place it above 2' from the base of the square created
• Select the line with ortho off and join the corner of the upper square with the base corners respectively

Result

The following 3D image is obtained 

3. Aim:- Create 3D view of AASTHO type girder

Commands Used:- 

• Line
• Extrude
• Dimension
• Boundry

Procedure:-

• 1. Open autocad
• Type UN in the command prompt and select engineering and precision to 0'-0"
• Type Limits and specify the lower and upper limits
• z enter a enter
• Select the 3D modelling from  the lower left corner
• Select the top view 
• Select the line and type 1'4" in the x direction
• Type @2"<-45
• Type @6"<90
• Type @6"<45
• Type @1'4" <90
• Type @2"<-45
• Type @6"<90
• Select the left lower point and type @2"<45
• Type @6"<90
• Type @6"<-45
• Type @1'4"<90
• Type @2"<45
• Type @6"<90
• join the line
• Do the dimension 
• Type bo in command prompt and regin the object
• Select the extrude command and pull it 
• Select the wcs and the object is obtained

Result:-

4. Aim:- Create a drop column in section and as well as in isometric view

Command used

• Line
• offset
• Dimension
• Boundry

Procedure

• Open the autocad
• Type UN in the command prompt and select engineering and precision as 0'-0"
• Type Limits and specify the lower and upper limits
• z enter a enter
• Select the 3D modelling from the right lower corner 
• Select the line command with ortho on draw 10' in x axis
• Select the line command with ortho on and draw 1'6" in the y axis
• Again type 10' in x axis
• join the line
• Select the point and type @1'4"<47
• Select the point and type @1'4"<133
• Select the center point of the vertical line and from midpoint type 2'3"and draw both the sides
• Type offset and specify 6" and do the offset
• join the line 
• Select the dimension and do the detailing 
• Object is obtained in 2D wireframe 

• Select the isometric view from the right side
• Type bo in the command prompt and select the object and make a boundry
• click on the wireframe on the top left corner  and select shaded
• The drawig is obtained in  the shaded portion in isometric view

5. Aim:- Create the 3D model of wall

Command used:- 

• Line
• Offset
• Trim
• Dimension
• Boundry

Procedure

• Open the autocad
• Type UN in the command prompt and select engineering and precision as 0'-0"
• Type Limits and specify the lower and upper limis
• z enter a enter
• Select the 3D modelling from the bottom left corner 
• Select line from the ribbon command
• Type 3'5" in x direction with ortho on keeping the mouse direction
• Type 7' in z axis with ortho on keeping the direction of the mouse 
• Type 3' in x axis with the direction of the mouse
• Type 7' in z axis with the direction of the mouse downwards
• Type 3'5" in x direction with keeping the direction of the mouse
• Type 10' in x direction with the direction of the mouse upward
• Select the first point and type 10' in x direction
• Join the line horizontally
• Type offset and specify 2'6" and do the offset
• Mark the midpoint
• Selct the line with ortho off and join the midpoint as curved (slope)
• Type offset and specify 9" and do the offset for the vertical walls
• Join the lines and trim the extra lines with trim command
• Do the offset for the slope with 9" and join the lines
• Do the dimensioning as required with respect to the plane choosen

Result:-

The wall is obtained as shown in figure