Observe the building’s basic shape
Choose a horizon line and vanishing point
Draw a simple box or block for the main structure
Add the roof shape
Mark the doors, windows, and other openings
Keep vertical lines straight
Align horizontal lines toward the vanishing point
Add details like trim, balconies, or columns
Refine the proportions and edges
Erase unnecessary construction lines
Add shading and shadows
Darken the final outlines