It seems you can only snap to the hotspots in section/elevation.
Oddly they can be used to select the element in 3D but only if you drag a selection box over them.
They can't be selected by just clicking on them and no matter what you can't snap to them.
That would be handy.
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
