Step 1- Add the construction lines
Step 2- Outline the shape
Step 3- Use the three step method to create cuboids of your own
Step 4- Outline your new shapes
Step 5- Complete the cube sketch
Step 6- Add the corner lines
Step 7- Complete the front shape
Step 8- Take all the corners back by 3 squares
Step 9- Connect all the lines. Follow the shape at the front
Step 10- Connect all the lines. Follow the shape at the front