Thanks for the help, I have downloaded the plugins and the following appears under the plugin pull down :import point cloud and then triangulate points. The triangulate points seems to work , but the cloud one wants me to import a file . Any ideas or do I just use the triangulate plugin ?

Thanks again
CH

i am looking to create 3d terrain from spot elevations. I have an
Autocad file that has spot elevations only. I have imported the file
into Sketchup and the spot elevations show up as small x's at varying
heights (as per the elevations). I have tried using the various sandbox tools with no success. Can somebody point me in the right direction?

many thanks
CH