1. Choose any objects you'd like to include in the Smart Selection.
2. There are a couple of ways to perform a Tidy Up: Hover over the selection and a Tidy Up icon will appear. Click the  Tidy Up  button: Use the keyboard shortcuts: MacOS:  [⌃]  +  [⌥]  +  [T]   Windows:  [Ctrl]  +  [Alt]  +  [T]   Click the  Tidy Up  icon in the Properties Panel (on the far right of the alignment section).
3. Hover over the selection and a Tidy Up icon will appear then click the Tidy Up button.
4. Use the following keyboard shortcuts: MacOS:  [⌃]  +  [⌥]  +  [T]   Windows:  [Ctrl]  +  [Alt]  +  [T]
5. Click the Tidy Up icon in the Properties Panel (on the far right of the alignment section).
6. The objects will be rearranged on the canvas so that they are on equal distance from each other, on either the x or y-axis.