GRIDUNIT system variable
Function Description:
The GRIDUNIT system variable is used to specify the grid space (in X and Y directions) in current viewport.
Type : 2D point
Saved in : Drawing
Initial value : (0.5000,0.5000)(Imperial) or (10,10)(Metric)
To specify the default grid space to be snap space, please set the GRIDUNIT to be 0.0. All changes will display in grid after regenerating view.