How to create a cube in illustrator

How to create a cube in illustrator

Here is the process how to make a cube with illustrator.

First, draw a rectangle with a shape tool. 

Duplicate a rectangle with Option key and place it like a intersection.

Draw a line for connecting between rectangles like below.

And go to Object ---> Expand. 

Next, you can make a surface by using a shape builder tool to combine the complicated lines. 

And change the color !