Fishes, while quite popular in origami, are in fact quite difficult to design, due to their large flat surfaces and asymmetrical structures. This design however was made much simpler due to ERM, or the Edge-river method, a process for designing and analyzing unaxial origami designs pioneered by Mu-Tsun Tsai. Overall I am very happy with how this design came out, especially with the use of scored scales to create a nice texture on the body and fins.
60cm Hanji