Inflate Direction
The Inflate Direction tool moves the selected vertices, edges or polygons as if you were inflating a cylindrical balloon.

Performing a inflate direction along the Y-axis.
Properties
| Pivot | The coordinates to inflate around. |
| Direction | The directions to inflate along. |
| Radius | The radius you are approximating with the inflation. |
| Directional Ratio | The ratio of the inflation along the direction. 0 means no change, 1 means perfect inflation. |
| Radial Ratio | The ratio of the inflation radial to the direction. 0 means no change, 1 means perfect inflation. |