Grr. Here is the line -- copied and pasted from the yet unworking config. node_stack_bottom = 0.0, -1.07, 0.0, 0.0, 1.0, 0.0, 1 Vector 0, -1.07, 0 -- set for node pos Vector 0, 1, 0 -- Y is up Integer 1 -- size 1 Looks right to me > EDIT: Got it! After enough messing around, it works.