This is a detailed, exotic piece of terrain that's perfect for science fiction or fantasy tabletop gaming. A very organic, natural feel even though it was created using fractal math.
There are details and textures everywhere - rough patterns on the hills, bifurcated branching on the arches, and crenelated crevices at the crown.
Easier to print than it may seem at first. I had good luck using Cura's tree supports, but it should work fine with standard supports, too.
The author hasn't provided the model origin yet.