Slipper chair by Mark Bolitho

Diagrams in The Origami Home by Mark Bolitho
Folded from a square of paper that came with the book

Staircase by Andre Rzym

Diagrams in BOS Magazine 60
Diagrams in Modelli Biblioteca - QQM 12
Folded from a square of American foil

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