Quick model

Exercise: Make a house
* Font color is blue, means you must do this in the step.

Editing in Blender generally involves four steps:

1. Selecting an object.
2. Activating Edit Mode.
3. Selecting part(s) of the object to act upon.
4. Specifying the action(s) to be performed on those parts.

Default cube: File -> Load factory setting
Setting up the viewpoint

• Num3 to swtich to a perfect right side view.
• Num5 to switch to a perspective viewpoint.
• Scroll or NUm+ to zoom it.
• If lamp or camera is selected , you can't enter edit mode.
• Press Tab to enter the edit mode.

Adjust the height

1. Press TAB to enter the edit mode.
2. Select four point from the top of the cube.
3. View -> Right to right view point.
4. Press G to active grab tool.
5. Press Z to limit movement to the z-axis.
6. Now move the mouse to adjust the height.
7. Press LMB to confirm the change.

Extruding

1. View -> Camera -> Active Camera.
2. Then select four point from the top of the cube.
3. View -> Right.
4. Press E to extrude.
5. Press Z to limit movement to the z-axis.
6. Press LMB to confirm the change.(Now your right view is selected four vetices)
7. Press W to call a menu then select Merge ( you can press ALT+M to do this). 
8. Then select at center. It will merge four vertices to one.

Saving your work

1. Press F2 or File-> SaveAs or Ctrl+S
2. Then key in the file name.
3. Press Save As Blender File button to save it.