I know I've been spamming the forums of late, sorry. THIS is something I really, really wish we could do. Group a few elements, and copy or duplicate and place. Not the same as a blueprint which is fine for big builds, or something you're going to place once or twice.
The ability to group several elements, duplicate them, then move/rotate position and place them quickly will speed building complex parts, for example a custom-made truss or a fence section or complicated trim pieces wherein the element has multiple pieces and needs to be repeated many times.
So we'd need a way to multi-select pieces either by clicking and dragging around the assembled element or shift click (harder maybe) or both. Then group them and duplicate as a group. The groups should stay grouped once placed too so you could delete them as a group.
This might be something restricted to creative mode, and that's fine, but I think it's needed!
Is this a possibility??