There are 61 Origami Designs in CDO convention 1999:

Design	Designer	Page	Details	Photo
Show only designs with photos
Castle Buildings	Paola Scaburri		Square
Butterfly Insects - Butterflies	Kawamura Akira	1	Square 2 units
Butterfly Insects - Butterflies	Michael G. LaFosse	2	Square Also in Advanced Origami by Michael G. LaFosse and Richard L. Alexander Also in CDO convention 2001 Also in Michael LaFosse's Origami Butterflies by Michael G. LaFosse and Richard L. Alexander Also in Origami Butterflies by Richard L. Alexander and Greg Mudarri	Folded by Gilad Aharoni
Vase Boxes and Containers	Gay Merrill Gross	6	Square
The second bookmark Bookmarks	Pietro Colombo	8	Square
Bomboniera Boxes and Containers	Pietro Colombo	9	Square
Shell Molluscs	Enzo Ruscitti	12	Square
Hat feather Objects - Various	Vicente Palacios	13	Triangle
Delta Classic Airplane Toys - Planes	Traditional	14	Square
Rabbit Mammals - Lagomorpha - Rabbits and Bunnies	Alain Georgeot	16	Square
Bird of paradise Birds - Passeriformes	David Derudas	18	Square
Three-dimensional 6-pointed star Geometric and other shapes	David Derudas	20	Square 6 units
Swan 2 Birds - Anseriformes - Swans	David Derudas	22	Square
Catamaran Vehicles - Boats	Maarten van Gelder	24	Square Also in BOS Convention 1992 Autumn Also in BOS Convention 1997 Spring Also in Orison 3/04 Also in Origami - Magic Square by Sergei Afonkin	Folded by Yara Yagi
Caterpillar Insects - Butterflies	Maarten van Gelder	26	Rectangle - Long strip Also in Origami USA Convention 1995	Folded by Rui Roda
Frog on a leaf Amphibians	Mauro Pucci	29	Rectangle
Demon Imaginary beings - Demons	Fernando Gilgado Gomez	32	Square Also in Monstruos de Papel by Fernando Gilgado Gomez Also in Tanteidan 10th convention	Folded by Gilad Aharoni
Fish 3 Fish	Edwin Corrie	49	Square
Star-shaped box Boxes and Containers	Clemente Giusto	50	Square
Variant of the star-shaped box Boxes and Containers	Francesco Decio	53	Pentagon
Parrot Birds - Psittaciformes - Parrots	Juan Lopez Figueroa	56	Square
Bookmark - frog and fly Bookmarks	Perry Bailey	58	Rectangle - Long strip
Tres-joile Geometric and other shapes	Paulo Mulatinho	62	Square
Bird Birds - Passeriformes	Daniela Carboni	64	Square
Fox 2 Mammals - Canidae - Coyotes, Foxes and Wolves	Daniela Carboni	65	Triangle
Modular Star II Geometric and other shapes	Donatella Ghisi	66	Square Multiple units
Indian face People - Ethnicities	Dino Andreozzi	68	Square
Butterfly Insects - Butterflies	Dino Andreozzi	71	Square
Tree Flora - Trees and Plants	Kawai Toyoaki	74	Square With cuts
Eagle Birds - Falconiformes - Birds of prey	Joseph Wu	75	Square	Folded by JMorigami
Cricket Insects	Jose Anibal Voyer	78	Square
Pegasus Imaginary beings - Pegasi	Jose Anibal Voyer	82	Square Also in BOS Convention 1998 Autumn Also in Dragons, Witches and Other Fantasy Creatures in Origami (Seres de Ficcion) by Mario Adrados Netto and Jose Anibal Voyer Also in Origami USA Convention 2000	Folded by Luc Marnat
Rosebud Flora - Flowers	Oscar Orlando Orjuela	93	Square
Mask People	Valentin Vaquero	97	Square
Giraffe Mammals - Giraffidae - Giraffes and Okapi	Pasquale d'Auria	99	Square
Rat Mammals - Rodentia - Rats, Mice and Rodents	Pasquale d'Auria	107	Square
Chick Birds - Galliformes - Hens and Pheasants	Antonio Delgado Rivero	111	Square
Chick Birds - Galliformes - Hens and Pheasants	Katia Violi	113	Square
Izar star Geometric and other shapes	Katia Violi	114	Square
Sirio Star Geometric and other shapes	Katia Violi	117	Pentagon
Hummingbird Toys - Action Models	Katia Violi	119	Square Flapping
Glass Boxes and Containers	Roberto Mombelli	120	Rectangle
Andrea's rose Geometric and other shapes	J.C. Nolan	121	Square Also in Creating Origami by J.C. Nolan Also in Le Pli 129 Also in Origami USA Convention 1994 Also in The Lost Diagrams by J.C. Nolan Also in The Lost Diagrams by J.C. Nolan	Folded by Rui Roda
Braided paper Geometric and other shapes	J.C. Nolan	123	Square Also in Creating Origami by J.C. Nolan Also in Dutch Origami Convention 1995 Veldhoven Also in Dutch Origami Convention 2014 Landelijke Oridag De Meern Also in Origami USA Convention 1993 Also in The Best of Annual Collections 1981-1995 Also in The Lost Diagrams by J.C. Nolan and in other sources...	Folded by Marina Kosareva
Peacock Birds - Galliformes - Peacocks	Robert J. Lang	125	$ US Dollar Bill Also in Dollar Bill Origami by John Montroll Also in WCOG Proceedings - Money Folds Also in WCOG Proceedings 21	Folded by Peter Farina
Eagle Birds - Falconiformes - Birds of prey	Brian Ewins	128	Square
Nun Religion and Holidays - Christian Religion - Nuns	Angel Ecija Blanco	129	Square
Hindu mask People - Ethnicities	Angel Ecija Blanco	130	Square Also in El Libro de Las Mascaras de Papel Plegado by Grupo Riglos Also in Pajarita Extra 2008 - Angel Ecija Blanco by Angel Ecija Blanco	Folded by Gilad Aharoni
Temple of Angel Imaginary beings - Angels	Angel Ecija Blanco	131	Rectangle - Long strip
Squirrel Mammals - Rodentia - Squirrels	Antonio Coiana	135	Square
Seahorse Fish	Antonio Coiana	137	Square
Dragon Imaginary beings - Dragons	Luca Vitagliano	138	Square Also in CDO 40th Anniversary Special Also in Pajarita Magazine 121	Folded by Rui Roda
Modular cube Geometric and other shapes	Kunihiko Kasahara	143	Square 6 units
Cat Mammals - Felidae - Cats	Kunihiko Kasahara	144	Square Also in All Easy Origami by Kunihiko Kasahara Also in Origami USA Convention 1991	Folded by Gilad Aharoni
Mouse Mammals - Rodentia - Rats, Mice and Rodents	Kunihiko Kasahara	145	Square
Planing object Toys - Planes	Juan Gimeno	146	Rectangle - A size
Ashtray Boxes and Containers	Juan Gimeno	147	Square
Cockroach Insects	Juan Gimeno	148	Rectangle
Piglet Letters and Envelopes	Ramin Razani	155	Square With cuts Pop up card
Post-it in love Hearts	Luciano Petino	157	Square
Octagonal coaster Geometric and other shapes	Peter Budai	158	Square