3D model of the TingHaoPotato image on Tsuyuzaki_Mahiru's potato packing case in revue_starlight TV episode5
Twin tails are separated form body for 3D printing
In files"TinghaoPotato_body(balanced1&2)" the internal of body are refilled so that the gravity center of the whole assembly is directly above the lowest point; in file"balanced1" a cavity is hollowed to contain a 4.5mm diameter ball, in file"balanced2" the bottom 1/4 is filled up, to lower the gravity centre