The closest ancestor to the Katana was the Tachi, an intentionally curved blade roughly 85cm in length that proved dominant in mounted combat.
This sword is inspired by a Tachi and sculpted in Zbrush, available in .ztl, .obj, .fbx and .ma. All uvs are unwrapped and non overlapping. The exported .obj file contains 8256 polys and 8260 vertices.
A .rar file contains all 4k color maps, displacement maps and normal maps.
Is set up to render as shown in the turntable, in Maya.