Hi Rob,

> I remember working on a dummy test file and being
> frustrated by having to manually select the trimmed
> lines/objects - probably some sort of standing seam roof.

Do you happen to still have the file around? If so, can you please post it?

That would let me demonstrate on that particular example how to use a strategic window select to grab a batch of things, instead of manually clicking on each one.


> Im often in two minds whether to use trim or bool in some
> situations as they often have the same outcome - which is no
> bad thing I guess.

Yeah for curves there are many situations where they work the same. But the difference is much more pronounced when you use them with solids - Trim will cut only the "skin" of a solid, while booleans will work on the volumes of a solid.

- Michael