As you can see in the screenshot here, the sweater's patterns look like they are merging into the pink part of her sweater.
She also has a daily upload schedule and they all have heavily rendered things like this, which I doubt is easy enough to be made daily. (Compilation of multiple redraws: https://youtu.be/OaP1ocoNkpc?is=ZsK6PbMN1DAQRGDF)