Hi Daniel -
From Modelling 101, it seems like they should support SketchUp models - but perhaps only when they are exported as FBX?
There are also “known issues” notes for Rhino on that page.
They seem to recommend using Blender and have plug-ins for Revit and Blender…
-wim
thanks a lot, I should have looked at it first. Known issues for Rhino seems interesting, will give it one more try. I’d image that exporting fbx would automatically convert/sort out all blocks into proper mesh objects, but maybe that was the culprit - maybe the fact that all imported sketchup groups turn into blocks in Rhino is what caused the issue