Reply To: Architectural Visualization snapping tool

[spikeyxxx]

You have ‘Align Rotation to Target’ enabled, which is a good thing usually, but in your case your target Vertex is rotated (see orange line). Two possible solutions are:

use these Settings:

Or hide your profiled ‘sideboards’ (H, or the eye icon in the Outliner).

The direction of your Array is unimportant with these methods.