Penguin by Michael G. LaFosse

Diagrams in Awesome Origami - Vol. 1 by J.C. Nolan
Diagrams in MFPP 1997 Convention
Diagrams in Origami Art by Michael G. LaFosse and Richard L. Alexander
Diagrams in Origami Kids by J.C. Nolan
Diagrams in Origami USA Convention 1996
Diagrams in The Lost Diagrams by J.C. Nolan
Folded from a square of double-sided mulberry paper

Penguin by Michael G. LaFosse

Diagrams in BOS Magazine 300
Diagrams in Origami Endangered Animals by Michael G. LaFosse and Richard L. Alexander
Diagrams in Origami USA Convention 2022
Folded from a square of double sided Unryu

Penguin by Paul Jackson

Diagrams in Origami Zoo by Paul Jackson and Miri Golan
Folded from a square of origami paper

Penguin by Peter Engel

Diagrams in Origami from Angelfish to Zen by Peter Engel
Diagrams in Origami USA Convention 1982
Folded from a square of double-sided Unryu paper

Penguin by Peter Engel

Diagrams in 10-Fold Origami by Peter Engel
Folded from a square of origami paper

Penguin by Roman Diaz

Diagrams in CDO convention 2007
Diagrams in Folding Australia 2007
Diagrams in MFPP 2007 Convention
Diagrams in Origami Deutschland 2007
Diagrams in Origami Essence by Roman Diaz
Diagrams in Origami USA Convention 2007
Diagrams in Pajarita Magazine 99
Diagrams in Quadrato Magico Magazine 87
Folded from a square of origami paper

Penguin by Stephen Weiss

Diagrams in BOS Convention 1987 Autumn
Diagrams in BOS Convention 1994 Autumn
Diagrams in Le Pli 72
Diagrams in Origami USA Convention 1997
Diagrams in Origami Zoo by Robert J. Lang and Stephen Weiss
Diagrams in Orison 20/01
Folded from a square of origami paper

Penguin - skating by Taichiro Hasegawa

Diagrams in Double-sided origami by Taichiro Hasegawa
Diagrams in NOA Magazine 264
Diagrams in NOA Kessakusen 2
Diagrams in NOA Magazine 90
Folded from a square of origami paper

Penguin by Tony O'Hare

Diagrams in Animals and Birds - BOS booklet 62 by Tony O'Hare
Diagrams in Animals and Birds - BOS booklet 62 by Tony O'Hare
Diagrams in BOS Convention 1980 Spring
Diagrams in Contemporary Origami by Daniel G. Mason
Each folded from a square of origami paper

Penguin by Toshikazu Kawasaki

Diagrams in Origami Dream World - Flowers and Animals by Toshikazu Kawasaki
Folded from a square of origami paper