Thanks for your reply.
It is supposed to be a round sphere and I'll read up your blog on how to improve overhangs - thanks!!
Once I get my new main board tested and calibrated (the old one fried), and read up on your blob, I'll run another print with a sphere and see if there is any change and let you know.
These blobs are probably overhangs.
I have written a blog on how to improve your overhangs.
It could also be heat radiant traveling up.
It is hard to tell what the exact model is, but if those are completely round spheres you will probably always have some form of blobs.
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