Castle box mix and match

I've made boxes from buildings. This one will let you build your own castle shaped multi-box.
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5) BIG change. replaced all files.
..a) put a stamp on the bottom of the pieces to help identify
..b) renamed pieces to keep types together
..c) OLD files will be in the zip file with the old blender file
6) Added a large keep with room for a tower
7) Added a round spire tower with a door - It should print as one piece, then just gently work the door to release the supports insi