I personally don’t find anything wrong about living a life as a graphic designer. That doesn’t hinder one from maintaining what is meant by having “Zen Nature”. If you are present with what is happening now, then that is having a Zen Nature. The story of what is happening now is less relevant than actually allowing and being with what’s happening right now. What that means is letting go of needing the moment to be one way or another. Is the mind creating the experience of selfing by nerding out on that badass vector you just made? Great! Allow and be with that experience. Are you walking home and falling into a state of no-self? Equally as great! You don’t need to be a monk or live in the mountains to be in the moment. I invite you to let go of the story that your life has to look a certain way in order to have Zen Nature. The only thing I recommend is having some sort of meditation practice; on the cushion and off.