@mukul.ar said:

Something which sketchup does by means of Artisan and the bevel/round corner plugins...

This is no SubD modeling... no quads, no SubD-levels or base mesh, only one way...

@unknownuser said:

Oops! Did not realize that the address I added in the previous post did not go to the web site. So here is the correct web site.

http://www.freesketchupplugins.co.uk/springtool.php

Ken

he,,, its plugin springtool make use sketchup 7 🤓