His artistic approach relied on a clean, linear style that prioritised legibility. Pickaert avoided the experimental textures found in the work of earlier etchers. Instead, he used a methodical system of engraving that produced sharp, predictable results. This precision was necessary for his work on maps and architectural views, where accuracy was more important than atmosphere. His figures are often placed within structured environments, defined by clear boundaries and a logical use of perspective.

Modern collectors find value in the architectural and historical weight of these prints. The works provide a direct link to the seventeenth-century Dutch world without the visual clutter of more romanticised art. Because his prints are monochromatic, they offer a sophisticated option for contemporary homes. They are quiet, intellectual additions to a room, appealing to those who appreciate the history of cartography and book design.