Page's system takes a series of photographs and patches them together based on how light bounces off each surface. Rather than taking weeks to survey an old building, architects can now generate precise dimensions in just a few hours. Because the scanner uses color photographs, the models are also incredibly beautiful, expressive documents—Page compares them to the first photographs ever made. "There is a magical quality to point cloud imagery, similar to the earliest photos that froze time onto small metallic plates," he writes on his website.