Even if what he did was legit, then cutting the cube into a cylinder would be a smarter choice. Maybe not even a full cylinder, an octagon or something like that would have roll fine and saved so much work.
The real solution is to cut a square cube than the square needed by the end of travel, cut the large cube into a sphere and then transport it then cut the sphere into the cube with the right size.
Even if what he did was legit, then cutting the cube into a cylinder would be a smarter choice. Maybe not even a full cylinder, an octagon or something like that would have roll fine and saved so much work.
The real solution is to cut a square cube than the square needed by the end of travel, cut the large cube into a sphere and then transport it then cut the sphere into the cube with the right size.
Or use wheels.