You can define custom grid snapping sizes from the Editor Preferences under the Edit menu. From the Level Editor->Viewports section. You should see Decimal Grid Sizes, where you can add your own or change the existing ones.
You can define custom grid snapping sizes from the Editor Preferences under the Edit menu. From the Level Editor->Viewports section. You should see Decimal Grid Sizes, where you can add your own or change the existing ones.