Virtual Graph Paper

I suggest a free drawing tool; something like a pencil that allows you to just draw by clicking and dragging your mouse, similar to the line tool. If you were to add it, make it similar to that tool.
For example, drawing and then connecting a line, being able to use the Fill tool to colour in the ...

One of my virtual graphs' progress is not showing.
https://virtual-graph-paper.com/NmIzOWI1ZDFkNGU1
This graph used to have a bunch of things on it and now they're nowhere to be seen. Can this be fixed?

I suggest a layering tool. I am currently using Virtual Graph Paper to make maps for Dungeons and Dragons, both 2D using the tiled grids and recently 3D using the isometric grids.
It would be cool to have the ability for layers. Putting things on layers, labeling the layers, so you can access the ...

Additionally, a "move to front" or "move to back" tool or some type of thing for layers would be helpful.

I suggest that you add the ability to group things together. This would make it easier to move two connected things.
I.E. grouping text and a shape and moving them around freely, etc.