When I was a teenager, someone gave my dad a Hawaiian shirt with cars on it. That was the start. Over the years, he received more Hawaiian car shirts until he had quite the collection. Dad teaches high school auto mechanics and started wearing the shirts on days he was giving a test. Students would see him walking down the hall, wearing a bright flowery shirt with Corvettes, and lament about how they forgot about the test and weren’t prepared. The shirt collection continued for a number of years until the high school went to a more “standardized” faculty dress code. At that point, the shirts were boxed up and put in the attic. A few months ago, Dad gave me the box, thinking I might be able to do something with them.
So, this is what I came up with:

It wasn’t anything very technical, but still enjoyed. Vroom, vroom….