Not sure what you mean by 1,0 and 0,1... The maxscript command for setting a grid size is setGridSpacing, so you could create a custom macroscript, something like:if getGridSpacing() == 4.0 then setGridSpacing 8.0else setGridSpacing 4.0 The Maxscript help files tell you how to set up a custom macroscript, from there you…
Oops, the setGridSpacing command is only available in Max 2008 or later, looks like you're on an earlier version, so it won't work. Use gridPrefs.spacing instead...if gridPrefs.spacing == 1.0 then gridPrefs.spacing = 0.1else gridPrefs.spacing = 1.0 There's also the gridPrefs.majorLines value, sets the major line spacing to…