View Normal to Grid
When in sketch mode, the Rotate to Closest Principal Axes 
icon is replaced
with the View Normal to Grid 
icon in the view controls.
This allows you to rotate the sketch plane to view it head on.
To view the sketch plane normal to the grid, click the View Normal
to Grid
icon
in the view controls, or press N.
icon
in the view controls, or press N.
- The first click rotates the model so that the sketch plane is normal to the grid and fits the selected sketch lines.
- Successive clicks toggle between fitting the entire model and fitting the sketch lines.