This project shows that one can draw a 2D grid with different increments. To save the 2D grid as an image, go inside the project, draw, and then save the background image.
Enter the grid cell size when prompted. Try typing 10, 20, 30, and 40, then 50. As the step size increase, the cell size increases. To save the grid, go inside the project, right-click on the Stage, and save the image as a file. This image file can then be used in another project as a background