Now that the Rhino WIP SDK is frozen, I thought I would make a version of the RhinoPolyhedra plug-in available for the WIP.
Here it is:
RhinoPolyhedraWip.zip (4.4 MB)
Note, I have been working on a new, fancy version that will also work on Rhino for Mac. This version, however, only runs in the Rhino WIP for Windows.