Fun With Geometric Shapes

Most people have openings perforating the walls of their homes. They are things called "doors" and "windows". We are fortunate to have additional openings; sort of bonus negative spaces.
                           

Our house is full of this sort of thing. I can only imagine that the previous owner was so enraptured with his Sawsall that he cast about for places to try it out and have fun with geometry. This approximation of a rectangle and circle is in what was the living room. Here's a close up:

I applaud his free hand flair. He apparently felt no need to measure or trace an outline, but dove right in with gusto- a veritable Jackson Pollack with a bold reciprocal saw.

We have yet to find uses for these holes and are open to suggestions.