have you thought of doing this professionally? A man that used to be on staff had a daughter that moved to New york City and draws patterns for cloth for VERY rich people who want an individual pattern in their material.
Our planet's magnetic field reverses about once every 200,000 years on average. However, the time between reversals is highly variable. The last time Earth's magnetic field flipped was 780,000 years ago, according to the geologic record of Earth's polarity.
she was attending college in NYC and sent samples to some tech and design schoools and some fabric companies. She won both scholarship and a contract. That was about 20 yrs ago, I don't remember what company she got the job with but you might be able to google fabric companies. We have wallpaper plants around here that take on apprentices also so I know that business still do that.