Castles are a type of home that was built to protect the people inside. People who lived in the castle included lords, who were in charge, as well as soldiers to defend it from enemy invaders, and even cooks and cleaners to keep everyone fed and tidy up. for more detail download the AutoCAD drawing file from our cadbull website. CAD files are available on our cadbull website. This can be used by architects and engineers. Download this 2d AutoCAD drawing file.