Shelves under coffee tables can be used to store magazines, remote controls or cats.

Photo by blmurch.

Cats are masters of camouflage, and can look exactly like a sock or a pair of underpants when the need arises.

Photo by Remy Sharp

Set top boxes are warm, convenient places designed for cats.

Photo by filippo.salamone

A stump is what is left of a tree when you cut it down.

Photo by angelbenutzer

Shafts of light, playing through a venetian blind.

Photo by Sarah_Jones

A shape easily achieved by a cat with the correct volume of hair.

Photo by Piez

A simple way to get two cats from one. The second cat is sadly two dimensional and monochrome.
Photo by Robert Couse-Baker

Mobile blankets. Very confusing.
Photo by James.Whisker

Broad range, easily available heat source made just for cats. Unfortunately it is only available during the daytime, and the nighttime substitute is just not very good at all.
Photo by cowlet

Generous cats share their beds with humans.
Photo by EraPhernalia Vintage