When selecting Manhattan to connect model entities - in complex models, the lines simply move across many entities - there is no option (other than manual) that will avoid a line from crossing over boundaries. I think a smart graph connector would make the models more legible.
OK, that's a valid feature request. If you like you could add it to the feature requests at GitHub:
https://github.com/Phillipus/archi/issues (https://github.com/Phillipus/archi/issues)
Phil
Added it to github - thanks