A long-held belief of the ultra-high-end pool builder has been that hand-rendered perspective drawings were the most appropriate presentation tool one could use, not only to stand out from the competition, but also to give homeowners a better idea of how their backyard will look and feel after it has been transformed.

The bonus, some said, is that the presentation tool would also be a legitimate piece of art. Some even would frame the drawings and present them to their clients to commemorate the significance of the occasion.

Hand-rendered drawings will always have their place, especially with clients paying top dollar for their projects. But even some high-end builders have found ways to replace or combine the age-old art of hand drawing. Four explain, in their own words, what they do.