There are 59 Origami Designs in CDO convention 2015:

Design	Designer	Page	Details	Photo
Show only designs with photos
Pagoda box 1 Boxes and Containers	Tomoko Fuse	5	Square 2 units
Sphere with 8 flaps Geometric and other shapes	Mitani Jun	11	Rectangle
Ume flower Geometric and other shapes	Mitani Jun	14	Other shape
Purple martin Birds - Passeriformes	Bernie Peyton	18	Square
Furoshiki box Boxes and Containers	Gianna Alice	29	Square
Gorilla Mammals - Primates - Gorillas	Jesus Artigas	30	Square
Flat box Boxes and Containers	Paolo Bascetta	34	Square
Tulip Flora - Flowers	Viviane Berty	37	Square
Cupled Geometric and other shapes	Christine Blasek (Kalami)	41	Square 30 units
Jet fighter Vehicles - Airplanes	Mark Bolitho	43	Square
Star tato Geometric and other shapes	Tereza Corsini	48	Hexagon
Fan Objects - Various	Francesco Mancini	49	Rectangle Multiple units Fully working fan
Cow Mammals - Bovidae - Cows and Buffalo	Yannick Gardin	58	Square Also in Argentina Convention 2012 Also in Bogota Origami Convention 2012 Also in BOS Convention 2013 Spring Also in MFPP 2013 Convention Also in Pajarita Extra 2015	Folded by Gilad Aharoni
Flexi unit ball Geometric and other shapes	Ilan Garibi	60	Square 30 units
Bi-star Geometric and other shapes	Francesco Guarnieri	62	Square
Lost-found star Geometric and other shapes	Andrey Hechuev	65	Square 8 units
Shielded star Geometric and other shapes	Jorge E. Jaramillo	66	Hexagon Also in Because Origami Vol. 1 by Jorge E. Jaramillo Also in Mexico Origami Convention 2015	Folded by Jorge E. Jaramillo
House with windows Buildings	Clifford Jones	70	Square Also in AEP convention 2015 Also in BOS Convention 2015 Spring Also in Christmas Origami Book 2014 Also in Czech Origami Convention 2015	Folded by Nikita Sheptun
Pig Mammals - Suidae - Pigs and Boars	Rocio Loscos	77	Square
Nico-let-tiana Geometric and other shapes	Francesco Mancini	82	Pentagon Also in BOS Convention 2016 Autumn Also in Le Pli 138	Folded by Francesco Mancini
Dragon 2.0 Imaginary beings - Dragons	Leonardo Pulido Martinez	84	Square Also in 4 Esquinas Magazine 18 Also in Bogota Origami Convention 2016 Also in Colombian Origami Convention 2015 Also in Korea Origami Convention 2015 Also in Venezuela Origami Convention 2015	Folded by Leonardo Pulido
Polyhedral box Boxes and Containers	Roberto Morassi	92	Square Also in CDO convention 1982 Also in Origami 4 by Robert Harbin Also in Quadrato Magico Magazine 26	Folded by Marco Abate
Poinsettia floral ball 2 Geometric and other shapes	Meenakshi Mukerji	94	Rectangle - 1X2 30 units
Winged heart Hearts	Lisa Nguyen Quang Do	98	Square
Shark Fish - Sharks	Nicolas Terry	100	Square
Gnome Imaginary beings	Simone Rossi (Arak Noid)	105	Square
Kiki Boxes and Containers	Patrizia Porzio	107	Square
Cake Food	Federico Scalambra	109	Square Multiple units
HydRingEa Geometric and other shapes	Robin Scholz	115	Other shape From a dodecagon
Spiral of life Geometric and other shapes	Dasa Severova	127	Octagon Also in BOS Convention 2015 Autumn Also in BOS Magazine 295 Also in MFPP 2019 Convention Also in Origami Deutschland 2015 Also in Origami USA Convention 2015	Folded by Rui Roda
Livi star Geometric and other shapes	Maria Sinayskaya	130	Square 8 units
Hexagonal box with star Boxes and Containers	Carmen Sprung	132	Hexagon
Kangaroo Mammals - Marsupialia - Kangaroos	Hadi Tahir	134	Square
EZ star Geometric and other shapes	Evan Zodl	138	Square
Sled Vehicles	Roberto Gretter	143	Square
Reindeer Mammals - Cervidae - Deer and Moose	Roberto Gretter	145	Square
Santa Claus in chimney Religion and Holidays - Christmas and Santa Claus	Federico Scalambra	149	Square Multiple units
Pandoro Food	Riccardo Colletto	156	Octagon Italian holiday sweet bread
Nativity scene Religion and Holidays - Christian Religion	Lisabeth Bauer	166	Rectangle - 1X2
Sweet little star Geometric and other shapes	Giuliana Beber	174	Hexagon
Angel Imaginary beings - Angels	Viviane Berty	175	Rectangle - A size Also in MFPP 2017 Convention Also in Origami Deutschland 2016	Folded by Viviane Berty
Windmill star Geometric and other shapes	Christiane Bettens (Melisande)	177	Hexagon
Bow-tie Christmas tree Flora - Trees and Plants	Krystyna Burczyk	179	Rectangle - 1X4 Multiple units
Nativity scene 2D Religion and Holidays - Christian Religion	Daniela Carboni	181	Square Multiple units
Tree Flora - Trees and Plants	Sara Cesari	198	Square 6 units With variations
Napkin ring Objects - Useful	Serena Cicalo	218	Square
Garland Geometric and other shapes	Massimiliano Cossutta	220	Square 8 units
On the snowy road Objects - Various	Aurele Duda	223	Square
Snowdrift Nature	Aurele Duda	224	Square
Fir tree Flora - Trees and Plants	Aurele Duda	225	Square 4 units
Tree decoration Geometric and other shapes	Pietro Macchi	228	Rectangle Multiple units
Cookie star Geometric and other shapes	Silvana Betti Mamino	233	Square 2 units
Advent star Geometric and other shapes	Francesco Mancini	238	Rectangle 60 units Also in BOS Convention 2017 - 50th Anniversary Also in CDO 40th Anniversary Special Also in MFPP 2016 Convention Also in Tanteidan 21st convention	Folded by Francesco Mancini
Santa Claus 1 Religion and Holidays - Christmas and Santa Claus	Francesco Miglionico	244	Square Also in Buon Origami - QQM 63 by Francesco Miglionico	Folded by Gilad Aharoni
Santa Claus 2 Religion and Holidays - Christmas and Santa Claus	Francesco Miglionico	248	Square Also in Buon Origami - QQM 63 by Francesco Miglionico With optional plush bunny in a bag	Folded by Gilad Aharoni
Santa Claus 3 Religion and Holidays - Christmas and Santa Claus	Francesco Miglionico	257	Square Also in Buon Origami - QQM 63 by Francesco Miglionico With optional crane gift bag	Folded by Gilad Aharoni
Pyramid tree Flora - Trees and Plants	Fioretta Corti Milesi	271	Square 5 units
Nativity scene Religion and Holidays - Christian Religion	Graciela Vicente and Nicolas Gajardo	273	Rectangle - 1X2 Multiple units
Friendship pyramid Geometric and other shapes	Francesco Decio	280	Rectangle - A size Multiple units