Try the Rhino 9 WIP.

As a Rhino 8 user...

...you are invited to try Rhino 9 while it is in development (Work In Progress). 
Help make Rhino 9 better.

SubDMatch | New in Rhino 9 WIP

Match a SubD edge to a Curve, Surface, BRep, or SubD with continuity control.
  Try it...

More new tools you will find useful.

PushPull Multiface | New in Rhino 9 WIP

PushPull now works across multiple surfaces.   Try it...

Download Rhino 9 WIP.
We would love your feedback.

Fillet Improvements

Rhino 9 introduces many enhancements to filleting workflows, specifically improving the performance and capabilities of the FilletEdge, BlendEdge, FilletSrf, and ChamferSrf commands

Download Rhino 9 WIP.
We would love your feedback.

There are hundreds of enhancements and dozens of new tools in the works. We will be updating the list frequently.

Download Rhino 9 WIP.
We would love your feedback.