Help collecting linked elements inside a bounding box

[Yna_Db]

You could also get linked elements with Get Documents from Archi-Lab Grimshaw along with Element.GetFromLinkedFile from SteamNodes, and then filter by bounding box like so:

How to create a list that shows ducts contained within a space

There’s maybe another solution with Element.Location which let you choose between points and curves locations, along with BoundingBox.Contains and Filter.ByBoolMask (but I didn’t test it with ducts). See here: