I happened to stumble across a list of popular interior design web tools, and decided to try one of the free options (Floor Planner Basic). This is what I came up with:
I wasn’t very good at getting the walls to line up in 90o angles. However, the program was still able to take my amateur sketch and turn it into this:
The king-sized bed didn't fit. Multi-purpose space would have to be the name of the game. There was no room to have dedicated areas for each of my hobbies. The exercise helped me visualize the reality of my space versus the spacious dream I had in my head. I am really glad I did this exercise before ordering furniture.