About this 3D model

I say no supports, but you might want to support the ladder some to reduce bending. Print in Place Gate & Arch: 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 & some Spiked Barriers: https://www.printables.com/model/435558-medieval-palisade-spiked-barrier