Almost caught up. Today is the 9th of January and I completed lesson 7. So I’m 2 days behind my plan to complete by the end of January.
Day 7 lesson was Advanced-Level Cubes. Basically taking what was learned on Day 6 with Cubes and expanding. Putting together structures. Sounds simple, but not as easy to handle the foreshortening as I thought.

Here are the results: