Three Piece Living Room Set - armchair by Traditional

Diagrams in Chinese Paper Folding for Beginners by Maying Soong
Folded from a square of origami paper

Toilet by Go Kinoshita

Diagrams in Czech Origami Convention 2013
Diagrams in NOA Magazine 255
Diagrams in Origami Tanteidan Magazine 32
Diagrams in Origami USA Convention 2001
Folded from a square of origami paper

Toilet by Mark Bolitho

Diagrams in The Origami Home by Mark Bolitho
Folded from a square of cardstock