Hey Henry, Your structural drawings are looking pretty good. You are maintaining for the most part the gesture of the pose. The issue I'm seeing the most is proportion. Heads are too big, and limbs are too short and a few of the drawings are off balance. I gave notes on the ones that I thought needed the most attention, but some of these are pretty nice :)

Hey, these look pretty good, your really creating some 3D feel. Just be careful that you don't loose all the gesture or make the contour too complicated. I took one of your drawings and did a quick sketch to show you what I mean :)

Yes, there are alternatives, but draw a box really does make your path easier than if you had to read a book on the subject, for beginners on perspective I really don't see a better alternative, and it really helps if you want to start with more complicated books like "How to draw" by Scott Robertson.

Theses look very 3 dimensional for the most part, but I think you are drawing these using a very distorted perspective. I can tell you are using a vanishing point with these, and the problem is that with small objects especially, if the vanishing point is too close to the object you get odd distortions. I would suggest using an intuitive perspective, meaning create a box that looks good and follows the rules of perspective, then use it as the framework for your drawing. I did a couple of very sloppy examples to show you how you can do this, I hope it helps :)

These are so much clearer and dimensional then your last ones because the shapes are much simpler. Keep at it :)

Your thinking the right way, breaking down the forms into shapes, but your using shapes that are too complex. Simplify the shapes and don't pay too much attention to all the anatomy and bumps of the silhouette. Break it into shapes that you know. Good exercise to do by the way, keep it up :)

It's good to see you are still working hard on these Henrique. One thing I want to say about your values is that you are making some of the shadows too dark. The reason is because you are not thinking about all the light that would be bouncing around the environment of your still life. Remember this statement: "All surfaces that receive light, become a light source" What that means is that even if you have a single light source lighting your objects, the light reflecting off of the other elements in your image will also become a light source because of all the light bouncing off of them. The only time this doesn't apply is when you have ambient occlusion because no light, even bounce light, can not get there. I did a quick diagram to show you what I mean, I hope it helps :)