I've just updated that ruby setting and its such better !

sounds like you're hiding lines and have hidden geometry on...

Thank you (he says condescendingly) very much for that. Saving as a dae file did not work, but File>Export then choosing 2D not 3D enabled me to export it as a jpeg. It is so quick and easy to rotate different views and closeup detail work.

The example shows changing to fixed size for leader text. Should this also be available for 'Screen Text'? Those options are grey...