This was a fun little ellipse training, seems like kirby and toad are great candidates for training yourself on making nice circles. I'm glad the undo button is there lol. Although this may seem dumb, it is very helpful to repeat over and over and seeing how each ellipse improves every other try.
Here is a one point perspective room that I worked on today as well, although using a line tool may be helpful, I think that training your arm to get the straightest lines possible will be a very useful tool in the future, which is why I hand drew the lines instead, although they may not be perfect, they will improve.
So far I am pretty happy with my progress, If you take a look at last year it was really all over the place, everything seems a bit more cleaner now, and I am happy about that.