Choose a building type and size
Pick a flat location
Mark the footprint with blocks
Build the foundation
Raise the outer walls
Add floors and ceilings
Cut out windows and doors
Add a roof
Include interior rooms
Place stairs, ladders, or elevators
Add lighting inside and outside
Decorate with blocks, slabs, and stairs
Add details like balconies, signs, and awnings
Use different materials for variety
Connect buildings with roads and sidewalks
Add surrounding city features like trees, lamps, and fences