Congratulations on completing the 250 Box Challenge!

You did pretty well on the challenge overall and I can see you made some good improvement to your mark making by the end of the challenge. Your lines steadily become straighter and more confident looking overall. You have a good variety of foreshortening to your boxes and I can see that you put in a good effort with adding extra line weight to your boxes. You also do a better job of getting your sets of parallel lines to converge more consistently towards their shared vanishing points!

One thing that stands out to me about your boxes is their size. Many of your boxes are drawn quite small. One of the reasons that we have the 5-6 boxes per page limit is to allow students room to draw their boxes at a decent size. Drawing bigger helps engage your brain's spatial reasoning skills, whereas drawing smaller impedes them. So keep that in mind going forward.

Another thing that stands out to me is your line weight. While you did make some good progress, there is still some room for improvement. I can see that you tend to hesitate more when you are adding that extra line weight. Likely because you are prioritizing your accuracy over creating a smooth, confident line. When you go to add weight to a line it is important that you treat the added weight the same way you would a brand new line. That means taking your time to plan and ghost through your mark so that when you go to execute it the mark blends seamlessly with your previous mark. This will allow you to build and create more subtle and clean looking weight to your lines. This is something that you will improve with consistent practice so just make sure that you keep this step in your warm ups.

You should also not try to change, correct, or hide any of the marks you make while working through Drawabox. Once your pen touches the page, any opportunity to avoid mistakes has passed, so all you can really do is push through. Hesitation serves no purpose. Mistakes happen, but a smooth, confident mark is still useful even if it's a little off.

Finally while your convergences do improve overall I think this diagram will help you further develop that skill as you continue through Drawabox. So, when you are looking at your sets of lines you want to be focusing only on the lines that share a vanishing point. This does not include lines that share a corner or a plane, only lines that converge towards the same vanishing point. Now when you think of those lines, including those that have not been drawn, you can think about the angles from which they leave the vanishing point. Usually the middle lines have a small angle between them, and this angle will become negligible by the time they reach the box. This can serve as a useful hint.

I am going to assign you 10 additional boxes before having you move on. What I will be looking at is the size of your boxes, less hesitation in your mark making and I want you to try applying your extra line weight in a single pass.

Congrats again and good luck!