Blade zukuri(shapes)
Japanese sword(Nihonto) are made in a variety style shapes. Shinogi zukuri are the most common one of them.
1)Shinogi-Zukuri
The most general style for TACHI/KATANA and WAKIZASHI (long swords)
2)Shobu-zukuri
It is like SHINOGI-ZUKURI, but without YOKOTE line
3)Hira-zukuri
The most general style for TANTO
4)KIRIHA-ZUKURI
Usually in the case of the blades without curvature, like Chinese TANG DAO.
5)Unokubi-Zukuri
The
thickness on the back becomes thins as it gets closer towards the
tip, (from 1/3 for katana, from half for Tanto).
6)KANMURI-OTOSHI-ZUKURI
Like Unokubi-Zukuri, but no yokote.

7) KISSAKI-MOROHA-ZUKURI(Kogarasu-maru)
Kissaki-moroha-zukuri
style blade, commonly called "Kogarasu-maru" style. The thick
back becomes double edge towards the tip, a light fast sword.
8)Moroha zukuri
A double edged blade, for tanto
