Yes, good if known that it is a perception and,
"There is the case where a monk — having gone to the wilderness, to the shade of a tree, or to an empty building..."
And at least, he knows or remembers: "this is called the perception of inconstancy"
Over all a good valve, as long as this fabrication is know as fabricated.
Just that! *smile*
BUT! it is important to become a real Buddhist first. Like Punna did: Nate sante baram sokham _()_