What Emotions do Lines Communicate?

I picked to draw a pinwheel. I had thought to give it a shot with inventor but the program was running too slow so I turned to my engineering notebook.
Funny because I see this pinwheel everyday, it is placed in my room but today was the first time I actually "saw" it. I saw lines and curves where I had not before. Drawing it was not too hard, thankfully.
The lines and slight curves gave off the feeling of precision. A pinwheel works due to this built.
Lines are represent structure and rigidness, not a bad thing most of the time. Lines are a part of nature, lines make me feel...okay. They don't exactly make me happy nor unhappy so okay seems to be fitting in this instance.

Further line work:

This week we learned about the nature of outlines, contours, structural, and gestural line work. For example, an outline has no depth while a contour has more detail. Structural drawings have more value and lines, shading may also be present. And lastly, when drawing gestural work one is trying to convey what the object is doing in time.

Benjamin pointed out the my work reflected what we had learned this week. I may not be the best drawer but i did try to draw the line work to the best of my ability. He pointed out he came to realize how powerful lines can be and that they can convey so much.