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

1 Create a 3D Furniture element as shown in the Figure.

2. Create the 3d Model of an Isolated footing as shown in Figure.

3 Create the 3D view of the AASTHO Type Girder.

4Create a 3d Model of a  drop column with panel as shown in section and isometric view.

5.  Create the 3d model of a wall as shown in Figure. Consider wall thickness as 9”.