In this step, you will create for the project House 21-260 the floor plan of the basement under the name h21260_basement.
In the procedure to design the basement you will draw the following:

• 2.1.1 - Basement h21260 - Outline
  2.1.2 - Basement h21260 - Exterior walls
  2.1.3 - Basement h21260 - Interior walls
  2.1.4 - Basement h21260 - Doors
• 2.1.4a - Basement h21260 - Windows
  2.1.5  - Basement h21260 - Create theSlabs
  2.1.6  - Basement h21260 - Create theStair
  2.1.6a  - Basement h21260 - Open a hole on Slab