On Land

Environment Information
At Rill Architects we run ArchiCAD on macOS. If you work at Rill, this is your stuff. If you don't, but you work in ArchiCAD, you may find something interesting. Anybody else, I don't know.
RSS

To these you can add:

Align Symbol JAM8
Drawing Title RND9
Elev Marker JM9
Joist Note JAM9
Note Column JAM9
Footing Stepped JM9
Stud Wall Detail JM9
Gutter JAM8
Insulation Batt MTL8
Rod+Shelf JM9
Railing JM9
All the wood and steel beams
Anything made from the Miter Object Template JAM9

If you see an object that should have detectable edges and doesn't, let me know.