As the sketch got it approval, I moved on into the best part. Designing the mural inside Adobe Illustrator. I started off with some reference to get to the point.

this is the original sketch

the colours!

and here's the progression after that. It took a couple of hours to built all of the trapezoids. And the best part, I forgot to save it before i quit illustrator. The morning after that sleepless night, All gone. So I need to re do it again. But it pays off as Madam Ling gave me A+

In progress

TADAAA!