Heyo, TA qzhans here!

Before we begin, I just want to congratulate you on giving those 250 boxes a good ol’ pen and ink smackdown. It is a MASSIVE undertaking and you’ve joined the prestiged club of its completers!

You’ve painstakingly drawn through all your boxes and extended every single last line out to check your errors, and your boxes have been better for it. Indeed, you’ve made a marked improvement throughout the set, with some of the boxes on that final page reaching laser cut precision.

I also like how you've used line weight to reinforce the silhouettes of your boxes and help them pop out. You generally don’t fall into the trap of using too much of it either.

One issue I'd like to bring up is how the length of your error lines gradually began to shorten out throughout the set, to the point where it was hard to tell if there was divergence or not. Make sure to extend it out 2-3 times the original line length.

Also, although you've done a pretty good job with convergences, some of your middle back lines are still stubbornly not jumping in line with the rest of them. That’s okay, and is something that gets ironed out over time, but I’ll offer some advice. When you go to draw a line, think only about the lines that are supposed to be parallel to it (share a vanishing point). Lines closer to an existing line will converge slower, while the opposite is true for lines further away. And, while we’re on the subject of nitpicks, I would've liked to see a few especially big ones here and there. But this is high-level complaining at this point.

Overall, strong submission. I like how neat your linework is, and it seems that there’s a nice understanding of convergence coming along. I have no doubt these skills will serve you well in the rest of Drawabox!