They took photographs, they fed the photographs into their computer program, and that computer program shaped a sand dune and then took that sand dune shape and turned it into, at their instructions, using standard software with slight modifications, a set of instructions for pieces of wood.
Tomaron fotos, metieron las fotos en el programa de la computadora, y la computadora formó una duna de arena luego tomaron la duna de arena y la transformaron en, con sus instrucciones, usando un software estándar, con pequeñas modificaciones, un juego de instrucciones