Right, so, uh.
The strange bug i was having with the stacker mode seems to have evaporated.

For people who read this, but not the rest of the thread:
The Stacker mode lets you use the Stacker sTool by aiming at the side you want to stack off of. It also saves offset settings per-side and per-model.

I'll be releasing this soon, since the issues have vanished (want to take screens of the stacker mode, or a video). Before I do, though, should I make the offset saving optional?
Any other thoughts for what it should do?