New media studio Zeitguised released these renderings a few days ago, dubbing them Boolean Taxidermy. Apparently, they showcase a method called Kontaktschmelze, described as follows by the studio:

Kontaktschmelze (contact fusion) is the first work using our concept of the 'boolean camera'. To make use of 3d cg space in a uniquely digital way, space is not cut by a projection of a plane onto a 2d screen anymore: instead, we 'look' through the cutting shape of a 3d object to realise the shape of another."