The fisrt did wll and hit the best sellers on book sites like Amazon, We decided to update it though I had a Heart Attack and Stroke in its middle when my boss said to lie to the police or be fired. I said “I can not lie to police.” and had the attack, he finished it and our names are reversed.
I user the Makerbot Replicator he used his 3D Printers built from Kits.
Back then we used Photogrametry on Buildings and basic objects.
Our book was such a success that the government payed for a 3D Scan of the Titanic in water with a few people aiding.