Reply To: Grid Fill creates slanted edge loops

@spikeyxxx, present this in a gallery with some meaningfull description and demand a pile of money for it 😉😁. 

But seriously: You certainly want to choose two rim parts that are orientated rather like two opposite edges of a planar or curved rectangle:

And with a distorted hole:

a) Without “Simple Blending” (more smoothened and curved connections):

b) With “Simple Blending” (more straight connections):