Lunarian Defense Ships

Publisher's blurb:

This Starship Builder Kit has been designed to allow you to utilize various stylized starship sections to compile your very own custom starship deckplan. You can use any graphics editing software that support PNG format to combine the piec-es, drop them directly into your favorite virtual tabletop (VTT) application, or even print and cut them out to be put together to make a tabletop play map.
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Herein you will find 20 ship sections including three sample ships built utilizing the included resources, 14 area sections, four hull sections, and a door and section connector section.