There are 8 Origami Designs in Hong Kong Origami Newsletter 31:

Design	Designer	Page	Details	Photo
Show only designs with photos
Boat Vehicles - Boats	Traditional	14	Square Also in Complete Origami by Eric Kenneway Also in Creative Life with Creative Origami 1 by Toshie Takahama Also in Doctor's Origami Dream Book by Toshikazu Kawasaki Also in Easy Origami by John Montroll Also in NOA Magazine 6 Also in NOA Magazine 12 and in other sources...	Folded by Gilad Aharoni
Alien Media and Culture	Kade Chan	19	Square Crease pattern
Predator Media and Culture	Kade Chan	19	Square Crease pattern
Oncidium Flora - Flowers	Jacky Chan	21	Square Crease pattern
McDonalds logo Symbols	Li Ho Ching	26	Square
Cobra Reptiles - Snakes	Shing Keung Ng	30	Rectangle - 1X2
Rabbit Mammals - Lagomorpha - Rabbits and Bunnies	Saga Chan	34	Square
Chinese mammon Religion and Holidays - Chinese Tradition	Jacky Chan	38	Square 2 units