Drawing like a pro - 15 (100% Power Up)

Halfway through, when I noticed that I'd gotten the dimensions wrong, all I wanted to do was cancel and start again till I make a perfect sample. But then I remembered what Jorge said in one of the first lessons about how what you learnt while drawing is more important than the drawing itself and so I tried correcting what I could (which I shouldn't have) hence the very thick lines and spots at certain areas.
I share this @jorgevandeperre because I know I'm far behind and wouldn't want to stress you in making different posts for every of the home-work I'll be submitted throughout the week....I'm earnestly looking forward to your critique..
Thanks for giving me the opportunity to grow.
I am glad that you also doing these lessons, I must say I also started this drawing but have not really finished it still working on the perspective view for the inner corners :)
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Thanks, the lessons seems easy at first but when I started, it was a while new things. This one in particular took a bulk load of thoughts.
Thanks for your support.