How could I make this grid with UI Constraints

[Borritomes (Tinkle_Tooter9000)]

I made this in Figma and am having trouble recreating the grid in Roblox.

I manage to get it to this but I can’t figure how to get it to extend to the edges.

[foodeggs7 (SubToParcIeDev_onyt)]

You could do with ui padding so it is more in the middle