With the tools available under Transform in the Advanced section you can...
Moves the pivot to the bottom of the solid and centers it.
When a Designer object has been scaled and rotated with the standard translation tools (the ones in the main UI of the Editor), clicking this option will set the new values as default.
Example: you create a cube and scale it to 1.3 times the original size and then rotate the cube by 25°. Now pressing this buttons will keep the scale and rotation, but will reset the back to 1.0 scale and 0° rotation.
Exports .obj, .cgf, or .grp files.
When Snapping to Grid (see Grid Snapping) is activated, will snap the selected vertex, edge, polygon or pivot to the nearest grid point.
Hides the selected polygon.