I struggled a lot with this part of the project. I don't like perspective drawings and I am definitely not confident in it. It took me around 6 hours to figure out how to make it work. So, in short I struggled a lot making this. You can see just how much I struggled with it in the photo gallery just beneath the picture. 

After making the drawing on paper I decided to make a digital version because I felt like just the sketch was not clear enough. 

Other pictures under this one. 

Photo gallery