From BlenderWiki
Reset Object transformations
Mode: Object mode
Hotkey: AltG, AltS, AltR
Menu: Object » Clear/Apply » Clear Location/Clear Scale/Clear Rotation
Description
You can clear any transformation done in Object mode.
Options
- AltG
- Clear (reset) the location of the selection.
- AltS
- Clear (reset) the scale of the selection.
- AltR
- Clear (reset) the rotation of the selection.