Snapping Objects
You can position a specific object (Source) precisely in relation to another object (Target) by using the Snap Tool. The Snap Tool allows you to snap objects together using a variety of methods. These are described as follows:
This option enables selection of points, and is based on 3D mesh vertices.
This option enables selection of edges, and is based on 3D mesh edges
This option enables selection of faces, and is based on 3D mesh faces.
This option enables selection of faces, and is based on 3D mesh edges.