You can center selected items horizontally or vertically relative to each other.
Procedure
Activate the Start tab bar.
Select the model items you want to align.
Click Align and Center if you want to arrange the items from left to right on a horizontal line.
Click Align and Align middle if you want to arrange the items from top to bottom along a vertical line.
The selected items are arranged from top to bottom or from left to right along a line.