Hi and congrats on completing the 250 box challenge. I'll be looking at your submission today. So starting off the linework throughout here is quite good. You are using the ghosting method to great effect and are getting some smooth confident linework with a pretty good degree of accuracy. Great job all around on this front. Your attempts at hatching are much more of a mixed bag. While you have some examples of really well done hatching like #86-89 quite a bit of your attempts at hatching here feels very rushed and it makes the drawings end up looking quite sloppy as a result. At this stage you are better off treating hatching the same way as you would every other line you draw and to take your time, ghost it, and then execute it with confidence. You did a great job extending all of your lines back on your boxes correctly to check your work as well. When a student extends the lines back correctly consistently that at least shows me they understand how vanishing points work.

So onto the actual box constructions themselves there is still a lot of work to be done here. Your boxes are coming off decently solid for the most part and they for sure improved as you worked through these pages but I'm still noticing a lot of convergence issues. Please take a look at this graphic https://i.imgur.com/8PqQLE0.png You were having quite a few issues with lines diverging earlier on which you seems to mostly have gotten rid of as you worked through these boxes but often times you are converging some lines far too much or too little. Look at box #244 for an example of this and I'm seeing this repeated quite a bit throughout. Most students think the problems start when they are placing the interior corner of their box but the culprit for most poor constructions tend to come from a badly placed outer line which your leftmost yellow line in #244 is the problem here. It should be converging much more sharply than it is and because of the error in its placement it throws off the interior corner when you go to place that. Noticing things like this are why you are extending all of your lines in the first place to check your work. You still need plenty of practice with your boxes so keep at them while you are doing your warmups and you should probably keep extending your lines to check your work.

I'm going to mark this as complete and good luck with lesson 2. Keep up the good work.