Bat
Mammals - Chiroptera - Bats | Kobayashi Hiroaki |  Tanteidan 25th convention
| 35 | Square | 
Folded by Rui Roda |
Capybara
Mammals - Rodentia - Rats, Mice and Rodents | Kobayashi Hiroaki |  The Elegance of Origami by Makoto Yamaguchi
| 128 | Square | |
Chick
Birds - Galliformes - Hens and Pheasants | Kobayashi Hiroaki |  Origami USA Convention 2023
| 109 | Square | |
Chick
Birds - Galliformes - Hens and Pheasants | Kobayashi Hiroaki |  Korea Origami Convention 2021
| 50 | Square | 
Folded by Hiroaki Kobayashi |
Chihuahua
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Czech Origami Convention 2017
| 225 | Square | 
Folded by Hiroaki Kobayashi |
Chihuahua
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Origami USA Convention 2018
| 74 | Square |
Folded by Hiroaki Kobayashi |
Chihuahua
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Tanteidan 23rd convention
| 40 | Square |
Folded by Hiroaki Kobayashi |
Devil
Imaginary beings - Demons | Kobayashi Hiroaki |  Tanteidan 27th convention
| 163 | Square
2 units | 
Folded by Gilad Aharoni |
Dragon
Imaginary beings - Dragons | Kobayashi Hiroaki |  Korea Origami Convention 2023
| 66 | Square | |
Flying squirrel
Mammals - Rodentia - Squirrels | Kobayashi Hiroaki |  Tanteidan 29th convention
| 114 | Square | |
Fox
Mammals - Canidae - Coyotes, Foxes and Wolves | Kobayashi Hiroaki |  Czech Origami Convention 2018-2019
| 197 | Square | 
Folded by Morgan Lozano Monroy |
Fox
Mammals - Canidae - Coyotes, Foxes and Wolves | Kobayashi Hiroaki |  Korea Origami Convention 2019
| 40 | Square |
Folded by Morgan Lozano Monroy |
Fox
Mammals - Canidae - Coyotes, Foxes and Wolves | Kobayashi Hiroaki |  Tanteidan 24th convention
| 18 | Square |
Folded by Morgan Lozano Monroy |
Frog
Amphibians | Kobayashi Hiroaki |  Tanteidan 26th convention
| 119 | Square | 
Folded by Morgan Lozano Monroy |
Ghost
Imaginary beings | Kobayashi Hiroaki |  Origami Tanteidan Magazine 159 (read full review) | 8 | Square | 
Folded by Hiroaki Kobayashi |
Ghost
Imaginary beings | Kobayashi Hiroaki |  Origami USA Convention 2022
| 94 | Square | 
Folded by Wilson Yeung |
Ghost
Imaginary beings | Kobayashi Hiroaki |  Origami USA Convention 2020
| 95 | Square | 
Folded by Wilson Yeung |
Grim reaper
Imaginary beings | Kobayashi Hiroaki |  Tanteidan 28th convention
| 240 | Square | |
Java sparrow
Birds - Passeriformes | Kobayashi Hiroaki | Tanteidan 28th convention
| 184 | Square | |
Kiwi
Birds - Apterygiformes - Kiwis | Kobayashi Hiroaki |  Korea Origami Convention 2017
| 76 | Square | 
Folded by Hiroaki Kobayashi |
Kiwi
Birds - Apterygiformes - Kiwis | Kobayashi Hiroaki |  Origami USA Convention 2019
| 122 | Square |
Folded by Hiroaki Kobayashi |
Kusudama
Geometric and other shapes | Kobayashi Hiroaki |  NOA Magazine 107 | 7 | Square
6 units | |
Owl
Birds - Strigiformes - Owls | Kobayashi Hiroaki |  Czech Origami Convention 2015
| 92 | Square | 
Folded by Hiroaki Kobayashi |
Panda - back view
Mammals - Ursidae - Pandas | Kobayashi Hiroaki |  Origami USA Convention 2024
| 99 | Square
2 units | |
Penguin
Birds - Sphenisciformes - Penguins | Kobayashi Hiroaki |  Origami USA Convention 2021
| 113 | Square | |
Penguin
Birds - Sphenisciformes - Penguins | Kobayashi Hiroaki |  Bogota Origami Convention 2016
| 92 | Square | 
Folded by Rui Roda |
Penguin
Birds - Sphenisciformes - Penguins | Kobayashi Hiroaki |  Czech Origami Convention 2016
| 114 | Square |
Folded by Rui Roda |
Penguin
Birds - Sphenisciformes - Penguins | Kobayashi Hiroaki |  Origami USA Convention 2017
| 145 | Square |
Folded by Rui Roda |
Pug
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Bogota Origami Convention 2013
| 145 | Square | |
Pug
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Tanteidan 21st convention (read full review)
| 87 | Square | |
Rabbit
Mammals - Lagomorpha - Rabbits and Bunnies | Kobayashi Hiroaki | Origami USA Convention 2017
| 148 | Square | 
Folded by Rui Roda |
Rabbit
Mammals - Lagomorpha - Rabbits and Bunnies | Kobayashi Hiroaki |  Tanteidan 22nd convention (read full review)
| 108 | Square |
Folded by Rui Roda |
Rockhopper penguin
Birds - Sphenisciformes - Penguins | Kobayashi Hiroaki | Tanteidan 26th convention
| 110 | Square | 
Folded by Morgan Lozano Monroy |
Shiba inu face
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  X Origami by Tsuruta Yoshimasa
| 31 | Square
2 units | 
Folded by Hiroaki Kobayashi |
Shiba-inu
Mammals - Canidae - Dogs | Kobayashi Hiroaki |  Origami Cats and Dogs Premium by Makoto Yamaguchi
| 160 | Square | |
Sickle
Objects - Various | Kobayashi Hiroaki | Tanteidan 28th convention
| 245 | Square | |
Whale
Mammals - Cetacea - Whales | Kobayashi Hiroaki | Korea Origami Convention 2017
| 18 | Square | 
Folded by Hiroaki Kobayashi |
Whale
Mammals - Cetacea - Whales | Kobayashi Hiroaki |  Origami USA Convention 2016 (read full review)
| 105 | Square |
Folded by Hiroaki Kobayashi |
