Hole Filling with triangles

There are several applications for hole filling and Blender would make a huge benefit of having a better triangle fill solution by default, this technique seems to be the best "non quad" solution out there:

cad.zju.edu.cn/home/hwlin/pdf_files/A-robust-hole-filling-algorithm-for-triangular-mesh.pdf

Also previously implemented here as an addon, but it is no longer supported:

github.com/patmo141/cut_mesh

youtube.com/watch