@ Deep thought
Weird abt Oblivion causing issues, tho admittedly things were literally "dropped" from inventory like in Skyrim, and had resultant physics, so that could be annoying. Morrowind was all "THUNK" and the item was glued in place.
Note, however, that I did manage to get another of my characters to place a statue in Breezehome, and it actually stayed put where it was placed. Not sure what process the game is using for this. . .
Yeah, there is...
Use the Creation Kit.

No go, sir.
Using CK to alter cells causes an NPC no-movement/no reaction to actions bug. Google the NAVMESH issue. Shows up when you move 2 cells away from a cell you added or modified. Right now, until Beth fixes the bug (which was in their Fallout games as far back as '07 and is still unfixed) modding cells breaks Skyrim. Thus, our still extant quandary over placing items.