Hello!

So, straight into the review -- your superimposed lines look good, but I would like to direct your attention to this section. Take the time to realign your pen back to the starting point for all your lines so that you don't end up with fraying on both ends. Other than that, the lines look smooth. Good job!

When it comes to your ghosted lines and planes, I'd point out a couple things to keep in mind:

First, when you are plotting your end and beginning points for your lines, don't make them too pronounced or too dark -- the ligher they are the easier they will get lost in your line, and in the event of a mistake, you'll be able to recover better.

Second is on the topic of wobbling, which you can find here. You have issues with wobbling throughout your lessons, all the way to the end. Given this, I think you would benefit from going through the ghosted lines / ghosted planes lessons again. Try not to be impatient with it, ghost your lines, and be quick and confident in your execution. As you go through these exercises as warm up, your lines will definitely improve, but you certainly want your line quality as good as possible before you head into the 250 boxes challenge.

Your ellipses suffer the same problem of wobbling. You might be drawing them too slowly. Remember to also ghost your ellipses, execute them quickly and confidently and draw through them 2 to 3 times. Some of yours aren't drawn through, some are too many times. I can definitely see improvement as the page goes on, and continuing on to the next page too, so well done with that! Toward the end of the 2nd page they got much cleaner and smoother. Well done with fitting them into the borders, as well. Do this exercise as a warm up and you should be in great shape in no time.

In the ellipses in planes, your lines and ellipses do wobble slightly, but again, there is improvement as you move on to the next page. Ellipses in funnels, aside from the stated wobbling, look good -- your minor axis is well aligned. I will say to also keep in mind the degree of the ellipses -- in some of your funnels, the ellipses go from wide at the center to narrow at the outer parts, where it should be the other way around, as written here.

Regarding the boxes / perspective exercises -- for 2P perspective (plotted perspective exercise), keep your vertical lines parallel to each other. 2P perspective means two sets of lines will converge to two vanishing points, whereas the third set of lines has to be perfectly parallel (in this case your verticals). You've done well on this, but I thought I should mention just as a reminder. :)

Plotted perspective shows you have a good understanding of the concept of 1P perspective, which is great! The only problems are wobbling (once again, and I'm sorry for reiterating so much, ghost your lines and plot your start/end points), and going over your lines. It isn't necessary to go over your lines again, unless you're adding line weight-- which you can read about here.

As for your rotated boxes exercise -- the faces of your boxes are well aligned, well done! When you hatch the side faces of the boxes, try not to scribble

The corner boxes don't rotate properly, but that's okay, those are the hardest ones to get correctly. Hope I explain this correctly -- the face that is not hatched in that box, you have 4 lines. Two of them, the ones opposite each other, should come to a convergence as they extend away from the box. So, the furthest point that 'sticks out', should sit diagonally much closer to the point opposite -- inside the currently drawn face. Do let me know if I did a poor job explaining this. But, as I've said, this is a hard exercise and all things considered, you've learned something from it and you've done well.

Finally, organic perspective. The only thing I can say on this is the lines wobbling and not being confident. Other than that, you convey scale properly. Some of the foreshortening is inconsistent, which you can read up on here, and your boxes could benefit from rotating them around a little, but overall the exercise was done very well, the biggest benefit would be working on line quality.

All in all, you've done a fine job. I can definitely see a lot of improvement as you go through the exercises, particularly in your understanding of the goal of the exercises and understanding 3D space and rotation. There are the mistakes I've stated that I could immediately recognize, so the majority of this critique was about them, but please don't let this discourage you! You've done well and your determination and focus is very apparent. But, I do think it would benefit you to go through ghosted lines and planes once more, and try to apply that knowledge to every lesson from now on.

Well done and good luck! :)