Hi there, TA Meta here, let's start your official critique with your superimposed lines. These are looking quite smooth and confident for the most part, with your fraying limited to one end of the line, which is great to see. I did notice on the longer lines that you had a tendency to course correct back to the original guideline, which is definitely something we want to avoid as it can undermine your confidence.

Your ghosted lines are a little wobbly but it's good to see you've tried a wide range of line lengths. Your linework tightens up considerably once you started drawing your ghosted planes, however.

Next your tables of ellipses are looking really good! You've done a great job packing as many of them in there as possible and drawn them nice and confidently to boot. Your ellipses in planes continue this trend of confident linework, which I'm glad to see you haven't sacrificed for accuracy. You've lifted your pen slightly here and lightened the pressure you're using, resulting in a far less heavy line weight, which looks great. Finally, your funnels are really well aligned for the most part, there's a few instances where the ellipses are very slightly skewed off the minor axis but otherwise these are bang on the mark.

Next up is your rough perspective. You seem to have struggled at first to get your horizontals parallel and verticals perpendicular to the horizon line however by the second page this tightens up significantly. I am unsure whether you've darkened your lines here in an attempt to add line weight or in order to hide your mistakes. In the case of the former, try to be subtle and only apply line weight to the silhouette of the box as show in these notes. In the case of the latter, try not to do this as we should be trying to work with our mistakes rather than covering them up or correcting them as a kneejerk reaction.

Onto your rotated boxes and you've done a really good job here keeping the gaps between your boxes nice and consistent. This gives you the best chance of placing your next box as the lines of the previous box give valuable contextual hints about its neighbours. You've actually managed a pretty good degree of rotation here and if I had to nitpick, I would say you probably could've rotated the first layer of boxes slightly more to make the second layer of boxes feel less extreme.

Finally, your organic perspective is off to a good start, your compositions do a pretty good job of exploring their three dimensional space. You could have pushed the variation in scale a little more towards the smaller end, but as a more relatable scale, it works quite well. I did notice your line weight got a bit out of hand here as well, which I suspect is to do with missing your mark in superimposing the line, and filling in the gap. If you miss the mark with your superimposed line, that's fine. It looks like you would've gotten it close enough that it would have clarified the overlap in your boxes (which is one of the main uses of line weight).