There are 38 Origami Designs in CDO convention 1985:

Design	Designer	Page	Details	Photo
Show only designs with photos
Box - ashtray Boxes and Containers	Paolo Bascetta	2	Square
Picture frame Objects - Frames	Paolo Bascetta	2	Square
Skate Fish	Stephen Bennet	2	Square
Bullfinch on a cube Birds - Passeriformes	Daniela Carboni	3	Square
Lion Mammals - Felidae - Lions	David Brill	3	Triangle Also in Brilliant Origami by David Brill Also in Origami Masters: David Brill by David Brill Also in The Beauty of Origami by Makoto Yamaguchi Also in Zoorigami by Renzo Zanoni	Folded by Gilad Aharoni
Hummingbird Birds - Apodiformes - Hummingbirds	Peter Engel	5	Square Also in BOS Convention 1984 Spring Also in BOS Magazine 177 Also in NOA Magazine 106 Also in Origami from Angelfish to Zen by Peter Engel	Folded by Edmund Chan
Hunting trophy Objects - Various	Daniela Carboni	5	Square
Butterfly Insects - Butterflies	Natale Fietta	6	Square
Chick in egg Birds - Passeriformes	Natale Fietta	6	Square
Matchsticks Objects - Various	Andrea Gherardini	7	Square
Squirrel Mammals - Rodentia - Squirrels	Alfredo Giunta	7	Square Also in Origami I Piccoli Animali (Small Animal Origami) by Alfredo Giunta	Folded by Gilad Aharoni
Cat Mammals - Felidae - Cats	Alice Gray	8	Square Also in BOS Magazine 168 Also in BOS Magazine 309 Also in Origami USA Convention 1985 Also in Origami USA Convention 1998 Also in The Best of Annual Collections 1981-1995 Also in The Paper Magazine 48 and in other sources...	Folded by Gilad Aharoni
Duck in flight Birds - Anseriformes - Ducks and Geese	Alfredo Giunta	8	Square
Vulture Birds - Falconiformes - Birds of prey	Giuliana Gregolin	9	Square
Hen Birds - Galliformes - Hens and Pheasants	Giovanni Maltagliati	10	Square
Octopus Molluscs	Max Hulme	10	Rectangle
Spider Arachnids - Spiders and Arachnids	Max Hulme	10	Rectangle Also in BOS Convention 1978 Autumn Also in BOS Magazine 220 Also in Origami Paperfolding for Fun by Eric Kenneway	Folded by Paula Versnick
Swastika Symbols	Mick Guy	10	Square
Box Boxes and Containers	Giovanni Maltagliati	11	Square
Cockade Geometric and other shapes	Giovanni Maltagliati	11	Square
Cube box Boxes and Containers	Giovanni Maltagliati	11	Square Also in NOA Magazine 518 Also in Origami El Mundo Nuevo by Kunihiko Kasahara	Folded by Wilson Yeung
Mouse Mammals - Rodentia - Rats, Mice and Rodents	Momotani Eiki	11	Square
Mouse Mammals - Rodentia - Rats, Mice and Rodents	Yoshihide Momotani	12	Square
Rabbit Mammals - Lagomorpha - Rabbits and Bunnies	Yoshihide Momotani	12	Rectangle - Long strip
Squirrel Mammals - Rodentia - Squirrels	Yoshihide Momotani	12	Rectangle - Long strip
Swan Birds - Anseriformes - Swans	Eiko Momotani	12	Square
Ashtray Boxes and Containers	David Brill	13	Square Also in BOS Convention 1985 Spring Also in Brilliant Origami by David Brill	Folded by Gilad Aharoni
Goldfish Fish - Goldfish	Yoshihide Momotani	13	Rectangle - 1X2
Modulars Geometric and other shapes	Vicente Palacios	13	Square 6 units
Star Geometric and other shapes	Pablo Martinez	13	Hexagon
Boating Vehicles - Boats	Luciano Petino	14	Square
Dodecahedron Geometric and other shapes	Lewis Simon	14	Square 30 units
Modular cube Geometric and other shapes	Lewis Simon	14	Square 6 units
Swimmer Sports and Athletes	Luciano Petino	15	Square
Tortoise Reptiles - Turtles	David Petty	16	Square
Star Geometric and other shapes	Philip Shen	17	Square
Tessellation Geometric and other shapes	David Petty	17	Rectangle - 1X2 Multiple units
Sparrow Birds - Passeriformes	Akira Yoshizawa	18	Square