There are 60 Origami Designs in CDO convention 2019:

Design	Designer	Page	Details	Photo
Show only designs with photos
Bull capital Objects - Various	Reza Sarvi		Rectangle - A size
Brillik cubes Toys - Action Models	David Brill	5	Square Multiple units
Opening box Boxes and Containers	David Brill	14	Square 3 units Also in BOS Magazine 300 Also in Jong Ie Nara Plus magazine 79-25 From a square and 2 rectangles	Folded by John Farrell
Aztec iterated Geometric and other shapes	Polly Verity	18	Square Crease pattern
Connecting orbs Geometric and other shapes	Polly Verity	20	Square Crease pattern
Cuttlefish Molluscs	Nguyen Tu Tuan	23	Rectangle
Sleeping child People	Nguyen Tu Tuan	25	Square	Wet folded from a square of watercolor paper by Gilad Aharoni
Time flies Objects - Timekeeping	Daniela Carboni	29	Square Clock with wings	Folded by Rui Roda
Aix env Letters and Envelopes	Michel Grand	32	Square
Eagle Birds - Falconiformes - Birds of prey	Pasquale d'Auria	34	Rectangle
Arrows Geometric and other shapes	Paolo Bascetta	39	Rectangle Multiple units
Blades Geometric and other shapes	Francesco Mancini	43	Square 6 units Also in OrigamIsrael 2019 6th Convention	Folded by Francesco Mancini
Wall box Boxes and Containers	Didier Boursin	45	Rectangle - A size
Camilla star Geometric and other shapes	Maria Sinayskaya	51	Square 8 units
Celtic cross Religion and Holidays - Christian Religion	Tadashi Mori	54	Square
Cube Geometric and other shapes	Jaime Nino Bernal	59	Square 6 units
Liberty cube Geometric and other shapes	Roberto Vigorelli	60	Square 2 units Also in Bogota Origami Convention 2019 Also in BOS Convention 2018 Autumn Also in Ooraa OrigamiBox 2019 - Ultimate Origami Convention Also in Pajarita Magazine 149	Folded by Rui Roda
Dashu box Boxes and Containers	Dasa Severova	64	Square 2 units
Butterfly Insects - Butterflies	Pasquale d'Auria	65	Rectangle
Femininity People	Eric Vigier	68	Square Pregnant woman
Fennec fox Mammals - Canidae - Coyotes, Foxes and Wolves	Javier Vivanco	72	Square
Hexagonal box Boxes and Containers	Francesco Guarnieri	74	Hexagon
Hummingbird sword Birds - Apodiformes - Hummingbirds	Javier Vivanco	76	Square
Hunter and prey Media and Culture	Alberto Carminati	78	Square Pac Man and ghosts
Weaving Geometric and other shapes	Francesco Guarnieri	82	Square 4 units
Rabbit in kimono Mammals - Lagomorpha - Rabbits and Bunnies	Viviane Berty	83	Rectangle - 1X2
The Little Prince Media and Culture	Viviane Berty	84	Rectangle 3 units Also in Origami Deutschland 2019 Also in Origami USA Convention 2019	Folded by Rui Roda
Dragonfly Insects	Luciano Petino	87	Square
Cowboy on a horse Mammals - Equidae - Horses and Donkeys	Leonardo Pulido Martinez	91	Square Also in Origami USA Convention 2018 Also in Czech Origami Convention 2017 Also in Ooraa OrigamiBox 2017 - Ultimate Origami Convention Also in Pajarita Magazine 142 Also in Hiporigami by Leonardo Pulido Martinez	Folded by Leonardo Pulido
Modular tessellation Geometric and other shapes	Krystyna Burczyk	99	Rectangle - Long strip 4 units
Mouse Mammals - Rodentia - Rats, Mice and Rodents	Oriol Esteve	101	Square Also in AEP convention 2019 Also in Fold with the Flow by Oriol Esteve Also in Ooraa OrigamiBox 2019 - Ultimate Origami Convention Also in Origami USA Convention 2020 Also in OrigamIsrael 2019 6th Convention Also in PCOC 2019 and in other sources...	Folded by Gilad Aharoni
Christmas tree noshi Flora - Trees and Plants	Christiane Bettens (Melisande)	105	Square
Eight petals sixteen tips Flora - Flowers	Alberto Carminati	106	Square
Tweeting bird Toys - Action Models	Fioretta Corti Milesi	109	Square
Pentagonal spinning star Toys - Action Models	Masoud Hosseini	111	Pentagon Also in BOS Magazine 309 Also in OrigaMIT 2018 Convention Book Also in Pajarita Magazine 146	Folded by Rui Roda
Penguin Birds - Sphenisciformes - Penguins	Oriol Esteve	114	Square
Bat Mammals - Chiroptera - Bats	Daniele Dalmonte	119	Square
3 pyramids letterfold Letters and Envelopes	Michel Grand	122	Rectangle
Snowy peaks 1.2 Nature	Christophe Curat	124	Rectangle
Roadster Vehicles - Cars	Hadi Tahir	127	Square Also in Origami Automobiles by Hadi Tahir Also in Origami Deutschland 2023 Also in Origami Vehicles by Hadi Tahir	Folded by Hadi Tahir
Sakura kusudama Geometric and other shapes	Jannie van Schuylenburg	129	Pentagon 42 units
Curious cat bookmark Bookmarks	Natalia Becerra Cano	131	Rectangle
Cat Mammals - Felidae - Cats	Ali Bahmani	134	Square
Smartphone stand Objects - Useful	Makoto Yamaguchi	135	Rectangle - A size Also in Origami Tanteidan Magazine 155	Folded by Wilson Yeung
Star for Heide Geometric and other shapes	Paula Versnick	137	Square 4 units
Star K5 Geometric and other shapes	Tereza Corsini	138	Pentagon
Star K6 Geometric and other shapes	Tereza Corsini	140	Hexagon
Fractal star Geometric and other shapes	Francesco Decio	142	Square Multiple units
Manhattan star Geometric and other shapes	Elisa Bogliotti	151	Square 5 units
Pynnis star Geometric and other shapes	Elisa Bogliotti	154	Rectangle - 1X2 8 units
Bird of paradise flower Flora - Flowers	Roberto Vigorelli	161	Square 2 units Also in Ooraa OrigamiBox 2019 - Ultimate Origami Convention	Folded by Roberto Vigorelli
Business card stand Objects - Useful	Didier Boursin	166	Rectangle - A size 2 units
Tessellation with squares Geometric and other shapes	Frank van Kollem	167	Square
Weave Geometric and other shapes	Gabriella Romano	169	Rectangle - 1X2 2 units
Cake Food	Francesco Decio	174	Rectangle - A size 48 units
Black sheep Mammals - Bovidae - Sheep, Goats and Bovides	Marc Vigo Anglada	181	Square Also in Pajarita Magazine 152 Also in Tinkering With Folds by Marc Vigo Anglada	Folded by Rui Roda
Whiskey the rabbit Mammals - Lagomorpha - Rabbits and Bunnies	Raphael Maillot	184	Square Also in AEP convention 2019 Also in Czech Origami Convention 2018-2019	Folded by Raphael Maillot
Windmill tessellation Geometric and other shapes	Paolo Bascetta	190	Square Multiple units
Woman's dream Geometric and other shapes	Krystyna Burczyk	196	Rectangle - 1X2 Multiple units
Swan Birds - Anseriformes - Swans	Jannie van Schuylenburg	197	Square