Haoyan Shi

Adjust Segments is a Blender addon that changes the segment count of polylines and quad surfaces while modeling. Select a line or quad surface, right-click, and choose the operator to resample it.

Quick Rail Sweep & Profile Extrude is a Blender add-on for creating rail sweep surfaces and profile surfaces directly in edit mode. You select rail and generation curve vertices, then right-click to generate the surface.

Make Circle is a Blender addon for generating and arranging circles in edit mode. Select a vertex to generate a circle perpendicular to your camera view, or select three or more vertices to arrange them into a circular formation.