The instructor informs children of the following steps to draw house and shed forms.

• Draw the front face of both rectangle and triangle.
• Choose the center of vision and to it draw the receding lines.
• Choose the depth and draw the farther face.

Children study the image and complete the following drill work:

1. Draw a box below and at the left of the eye. To the top face add an acute triangular prism.
2. Draw a box below and at the right of the eye. Add to the top face an acute triangular prism.
3. Draw a box below and at the right of the eye. To the top face add a right triangular prism.
4. Draw a box below and at the left of the eye. To the top face add a right triangular prism.
5. Draw a box below and at the left of the eye. To the top face add an obtuse triangular prism.
6. Draw a box below the eye. Add to the top an obtuse triangular prism.