Thanks for such a quick reply - frankly I think I'd benefit from your rambling a lot !

I'm still thinking through how it's easiest to create tabs - any advice would be very welcome ... I find it odd that we don't have a software stream in the forum, seems to be that's where a lot of the issues lie.

Fusion 360 seems amazingly functionally rich - but in terms of user friendlyness I think it should be written FU-sion 360 :-)