<human>:  How to model on Blender?
<bot>: Model on Blender
1. Click Add followed by Mesh and select a shape to add.
2. Click the shape to select it.
3. Use the "Move," "Rotate," and "Scale" tools to manipulate the object.
4. Use the drop-down menu in the upper-left corner to switch to Edit mode.
5. Select the Knife tool and drag a new cut in the shape and press Enter.
6. Subdivide shapes and faces by clicking Edges followed by Subdivide 
7. Use the "Move," "Rotate," and "Scale tools to move vertices, edges, and faces of a mesh.
8. Use the "Extrude" tool to extend faces of a mesh.