Gate and Arch - No Supports: https://www.printables.com/model/436334-medieval-palisade-gate-arch-print-in-place-no-supp
Matching Wall Set: https://www.printables.com/model/435566-medieval-palisade-wall-set
Lookout Tower https://www.printables.com/model/437186-medieval-palisade-lookout-tower-no-supports