|Step 1: Gather the most reliable research material|
|Step 2: Draw as accurate a floorpan as possible — everything else depends on this being right|
|Stage 3: Fold it into an isometric plane (strictly speaking this is not true isometric but an angle of my own liking)|
|Stage 4: Start building the exterior — extruding lines vertically and building boxes|
|Stage 5: Build the interior — extruding vertically again|
|Stage 6: Phew, finished!|
Below is a non-interactive animated GIF representation of our finished HTML5 product.