Create a cube object.
Export the cube to a PLY file named "write-ply/results/{agent_mode}/cube.ply".
Load the PLY file back into ParaView.
Save a screenshot to "write-ply/results/{agent_mode}/write-ply.png".
Finally, save the ParaView state as "write-ply/results/{agent_mode}/write-ply.pvsm"