1- Spacing value is limited to 99 while offset can be 1000.
Could you consider allowing higher values for these two fields ? 2000 seems reasonable to me.
2- When division is selected: offset should be greyed out and not effective. Currently this setting in division mode adds a line inside the grid which makes no sense to user.
3- Pixel unit of spacing is screen pixel, while divisions is relative to the image. It would be useful to be also able to define a spacing in image pixels.
I would suggest that user be able to choose the "kind of pixel" for the spacing section (spacing + offset): image or screen
....Offset....[value field]
.....Pixels.....[menu button : Image vs Screen]
Thanks for listening
1.4.0 beta 2