As Charles Perrault had not detailed the castle in his 1697 fairy tale, Imagineering had few restrictions regarding its physical appearance. However, Walt Disney's own 1959 film Sleeping Beauty provided the inspiration for, among other things, the Castle's surrounding square trees.
Since Charles Perrault's 1697 fairy tale lacked specifics about the castle, Imagineering had considerable freedom in its design. Walt Disney's 1959 film "Sleeping Beauty" provided inspiration for elements like the castle's surrounding trees.