I wrote a small application for personal use to generate custom ruling sheets for calligraphy practice and put it online. I didn't get a job because of this or

I wrote a small application for personal use to generate custom ruling sheets for calligraphy practice and put it online. I didn't get a job because of this or anything but I learnt about PDF structures, creating them, overlaying etc. This knowledge and quick demos I was able to do because of it enabled me to get multiple client projects.