One of my old pairs of jeans acutally had a hole in one knee. (I think, the last time that happened was sometime in primary school...) One evening, an idea struck me and I dug out a star I hade made a couple of weeks ago - from my old shoes... - and decided to use it as patch for the hole.
It took another week or so to finally sit down and start sewing. But by then it was already quite late, I got tired, and so it tool another two days to finally finish it:
Well, the star I actually made is rather uneven and looks like this: