Create a 4x4 grid in illustrator

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This tutorial we'll learn how to create a 4x4 grid

1. Create a square of 24ptx24pt and fill the square with blue.

2. Perform the effect > distort and Transform > Transform command and set the following image in the Transform dialog box that pops up

3. Click the OK button to perform the object > Group command (COMMAND/CTRL+G) for the resulting shape.

4. Perform the effect > distort and Transform > Transform command and set the following image in the Transform dialog box that pops up