This is the part of Shiba-Maruyama-Kofun.
Viewing the front cubic part from the backward spaherical part.
"Kofun" is a kind of Japanese ancient tumulus.
Shiba-Maruyama-Kofun is in the central district of Tokyo ( near Tokyo Tower ).
Threfore, you can see it when you visit Tokyo.
This model is created using 3D Scanner App for iPad Pro 11 (2nd Gen) and Metashape for Macintosh.