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

Create a 3D Furniture element as shown in the Figure. Assume dimensions which are missing.

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

3. 4. Create 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”.