It is both difficult and quite simple. For many years I have dealt with folk arts and crafts of Russia. There are rich traditions of applied art. All these patterns you can find in the ornaments of dishes and various household items here, for example: https://yandex.ru/turbo?text=https%3A%2F%2Fschci.ru%2Fhohlomskaya_rospis.html&d=1