Illustrator is a great tool for creating grids, and there are a few different ways to do it. One way is to use the Rectangle Tool (M) and create a rectangle that is the same width and height as the grid you want to create. You can specify the width and height of your rectangle at the Transform quick access tool.
Then, click on the Anchor Point icon (A) in the Toolbar and drag the rectangle so that it is centered on the grid. Or use the Align tool to align the rectangle to the center.
Another way to create a grid in Illustrator is to use the Grid command (G). Select the object you want to grid and click on the Grid button in the Control panel. Similarly, you can go to the Object in the top menu, search for Path and click the Split into Grid option.
Next, specify the number of rows and columns in your grid. Moreover, you can also change the height and width of each grid cell and its gutter, if necessary.
Furthermore, you can tick the box to add guides and preview your grid before clicking Ok.
You can also use the Gridlines command (G) to create gridlines on the rectangle. Or go to the View menu and click the Show Grid option. You can also use the Snap to Grid command (S) to help keep the grid lines consistent. There are also quick access tools in the right panel such as the Ruler & Grids and Snap Options to instantly show or activate your gridlines, snap to grid, and point & pixels command.
When creating a grid in Illustrator, it is important to keep in mind the resolution of your file. If the grid is too small, it will not be visible, and if the grid is too large, it will take up too much space. You can adjust the grid size by clicking on the Gridlines button and then clicking on the individual gridlines. Or go to the Edit menu, search for Preferences and click Guides & Grid.
A dialog box will appear where you can adjust the size of each grid cell. You can change the resolution by clicking on the Scale button and selecting a higher number. Click Ok once you’re satisfied and notice how your grid changes.