Sketchup Plugin Download ((install)) — Curvizard

Converts sequences of edges into true SketchUp Arcs, Circles, or Polygons, or applies spline-based smoothing to rough contours.

While older versions were free, Curvizard now follows a model. Curvizard - SketchUcation curvizard sketchup plugin download

To ensure a secure installation, always download Curvizard from authorized sources. Converts sequences of edges into true SketchUp Arcs,