Why does blending graphite not look seamless in krita?

[CrazyCatBird]

I’ve tried making my own graphite blenders by studying what tips brush makers have used and I try out some texture settings.
Meantime, see if any of these might do ok with blending…

Blenderz

Some blenderz I made. (Bundle is called Pair because I forgot about the 3rd brush). Hopefully there won’t be any problems. If there are, others who are more experienced in this sort of thing could help, I hope. [Blenderz in action] Bundle is here: