Challenge

Creating various 3D Models like Furniture, Footing, Girder, Column drop with panel and Gable Wall in AutoCad

Q1: Aim: To Create a 3D Furniture element and illustrate the procedure involved.

Procedure:

Q2: Aim: To Create a 3D model of an isolated footing and illustrate the procedure involved.

Procedure:

Create a new drawing from the dropdown menu
Select the imperial system and Engineering units
Type LIMMAX and set limits 100",100"
Select 2D wireframe
Type REC and select the first point
Select dimension and give dimension 2' x 2'
Type O and give offset distance of 6" and create an inner rectangle
Type M and select the smaller rectangle and press enter
Select the base point on the smaller rectangle and enter the distance 2'6"
Type REGION and select the 2' x 2' rectangle to create a region
Type EXT and select the 2' x 2' rectangle press enter
Type height of extrusion 6"
Join the corners of the 1' x 1' rectangle with the extruded solid model using the L command
Type 3F and select the 4 corners of each side to convert it to surface
Type HIDE and press enter
Save the drawing

Q3: Aim: To Create the 3D view of the AASTHO Type Girder and illustrate the procedure involved.

Procedure:

Create a new drawing from the dropdown menu
Select the imperial system and Engineering units
Type LIMMAX and set limits 100",100"
Select 2D wireframe
Type REC and select the first point
Select dimension and give dimension 1'6" x 1'
Type EXPLODE and select the rectangle and press enter
Type CHA and select the distance option
Type the first and second distance as 2" and chamfer the bottom edges of the rectangle
Type CHA and select the distance option
Type the first and second distance as 6" and chamfer the top edges of the rectangle
Type L and select the top-left edge as the first point
Position the cursor and type the distance 1'3"
Position the cursor and type the distance 3"
Position the cursor and type the distance 9"
Position the cursor and type the distance 1'
Position the cursor and type the distance 9"
Position the cursor and type the distance 3"
Position the cursor and type the distance 1'3"
Type TR and trim the extra line
Type CHA select the distance option
Type the first and second distance as 3" and chamfer the bottom edges of the top rectangle
Type REGION and select the object to create a region
Type EXT and select the object press enter
Type height of extrusion 10'
Type HIDE and press enter
Save the drawing

Q4: Aim: To Create a 3d Model of a drop column with a panel and illustrate the procedure involved.

Procedure:

Create a new drawing from the dropdown menu
Select the imperial system and Engineering units
Type LIMMAX and set limits 100",100"
Select 2D wireframe
Type REC and select the first point
Select the dimension and give dimension 4'6"
Type O and enter distance 1'6"
Offset the rectangle
Type C and select the diameter option
Enter diameter 1'6" and press enter
type M and select the circle and 1'6" x 1'6" rectangle
Position the cursor and enter distance 1'6"
Type REG and select the 4'6" x 4'6" rectangle and press enter, repeat the same procedure for the other rectangle and circle also
Type EXT and select the 4'6" x 4'6" rectangle
Position the cursor and enter the height of extrusion 6"
Join the corners of the two rectangles using the line command
Type 3F and select the 4 corners of each side to convert it to surface
Type EXT and select the circle
Position the cursor and enter the height of extrusion 10'
Type HIDE and press enter
Save the drawing

Q5: Aim: To Create the 3d model of a wall and illustrate the procedure involved.

Procedure:

Create a new drawing from the dropdown menu
Select the imperial system and Engineering units
Type LIMMAX and set limits 100",100"
Select 2D wireframe
Type REC and select the first point
Select dimension and give dimension 10' x 12'6"
Type EXPLODE and select the rectangle and press enter
Type REC and select the first point
Select the dimension and give dimension 3' x 7'
Align this rectangle with the centre of the bottom line of the bigger rectangle
Type O and enter 3' as the offset distance
Type L and draw a triangle joining the centre point of the top line and endpoints of the new line.
Type TR and trim the extra lines
Type REG and select the object to form a region
Type EXT and select the object
Position the cursor and enter the height of extrusion 9"
Type 3DROTAE and rotate the object into the correct orientation
Type HIDE and press enter
Save the drawing

Ship work like this
in your own course.