To draw water texture in Illustrator, follow the steps given below:
- Draw a rectangle and fill it with blue color
- Click on Effect > Texture > Stained Glass
- Set the value of Cell size to 46, Border Thickness to 15, and Light Intensity to 5
- Go to Object and then choose Expand Appearance
- Now select Object and then choose Tracing
- A dialog box pops up and then set the values of Path Fitting, Minimum area, and Corner Angle to 1px
- To blend the corners, click on Object > Path > Simplify
- Increase the value of Simplify to 70% and then press OK
- Set the Offset Path to –0.03px and change the join type to Miller
- Open the Transform dialog box and set the rotational angle to 90
- Once you're happy with the preview, click on Done.