This addon adds a set of operators which help when dealing with curved shaped meshes.
Core functionality aims at working with edge loops, but there are also a couple of tools which work on vertex selections too. The main workhorse is the set flow operator which helps to fit an edgeloop to the curvature of the surrounding mesh.
Check out the documentation for an overview of the supplied tools.
This is the inital release on the extensions platform - the addon has been around for a couple of years already, and got extended and iterated a bit over time.
This extension does not require special permissions.
Essential. Use it every day, every minute. Often during retopo in conjunction with Surface Slide (MACHIN3tools).
Благодарю - изумительный инструмент!