People says that the place is huge still :
a Kunai and a Rasengan was teleported to exactly same position as Obito's position.
Kakashi was teleported to exactly same position as Obito's body parts was continuously appearing.
Obito was teleported to exact same position as Sakura and Naruto.
But top one in this case would be, if this was true then why wouldn't Obito just teleport his limbs to another position of the Kumai dimension, so that Kakashi wouldn't be enabled to beat him.
This is just my thoughts though.
No hating is meant.