Rebuild Curve causes Rhino 6 to crash in new SR

Got it, thanks… to go back to 12, (official SR, you must be set up to get ‘Release Candidates’ in Options > Updates and Statisics) Uninstall from Windows control panel and install from the current SR here:

https://www.rhino3d.com/download/rhino-for-windows/6/latest

-Pascal