See recommended 3D print settings, release notes, and map details on the project website.
This model is designed for the final product to be either displayed between 25-100% scale.
If your slicer loads the model but is unable to slice, the model has probably exceeded the slicer vertex limit. You can either cut this model to print in smaller pieces or decimate the model in Blender to reduce the number of points.
The author marked this model as their own original creation.