From the release:
The Blue Giant is a print yourself terrain project to build a space ship or space station interior for sci gaming with 28mm scale miniatures. Over 300 pages of walls, floor and decorative elements to lift you’re your space ship project into orbit. Like other Stoelzel’s Structures projects, the Blue Giant is intended to be constructed with a combination of 5 mm thick foamcore and cardstock. And like other Stoelzel’s Stuctures projects, this system comes furnished, with dozens and dozens of pages of furniture options to decorate your ships with.