Grid Lines

It would be useful to be able to have grid lines that can be turned on an off for composition.

Ditto on that.

My workaround is sometihng I saw in a Junkyard Sam video:

Load a JPG image of scanned graph paper in as a layer, setting the blending mode from Normal to Multiply seems to work well.

Can't wait for a grid feature in a future upgrade.

Another workaround is to make a grid in PS if you have it and import as a layer. I have also overlaid my reference photo with a grid

Although there are definitely various workarounds, it would be especially nice to have a "rule of thirds" type of grid that could be proportionally generated for both the canvas AND the reference window. Or a "divine proportions" grid as in Painter. In addition to a standard editable grid.

We would like make rulers and grid lines in the future, also connect them with Reference Image, so you could see see the same proportions in Reference image and in the main window.

+1 This is a trick that artists employ in real life drawing and it would be great to see it in Rebelle too!

It would be very helpful to have a grid function for both the canvas and the reference photo.

Artrage has a great grid/guide/perspective helper implementation, worth imitating.

I agree that grids are important for many reasons.  Would love to see this implemented in a future upgrade.  Mayber just a ruler with measurements running vertical and horizontal on the edge of the canvas so you could use the existing ruler tool for drawing straight lines.

Yes, please.  3rds, phi and standard grids would be quite helpful