Geo point co-ordinates not aligning with ramp top. Help!

Hi all, could anyone help me figure this out? I’ve built a small pixel grid using by copying a sphere onto a grid, but when I run a horizontal ramp across it, it doesn’t align properly.

Edit: Uploaded file
DMX Rebuild.2.toe (6.8 KB)

Hello,
Without any image or project, its quite difficult to understand your problem!