If you want full size this item or print in parts, you need use other slicer. Not Creality slicer. Use other slicer, maybe prusha slicer.
Dowload model, 3mf or stl and upload in slicer. Use function "Split"->"To objects"Print easily in parts.
Town Hall table lamp. From game warcraft 3.
Constructor. Cut building for your size printer, use slicer tools.
https://youtu.be/sh1wsRdlJPE