Antoon Pardon on sketch-list:
> 5) Allow the grid to be "isogonal" (at least that is
> how I saw it referenced once). It means that grid
> points are place along the X-axe and along axes
> of 60 and 120 degrees.
That would probably be best implemented with a more
genral gridding implementation that lets you have
several grid layers and perhaps even plugins for grids.