I added a rikku sig recently made
i found the positions and rotations to do this and will make a small table:
|Slide | Merge With | Time for slide | Rotation | Position |
|sigA dup1| sigB dup3 | 150ms | 60.0 | 0.85 |
|sigA dup2| sigB dup4 | 150ms | 25.0 | 0.61 |
|sigA | none | 2000ms | 0.0 | 0.5 |
|sigA dup3| sigLast dup1 | 150ms | -30.0 | 0.18 |
|sigA dup4| sigLast dup2 | 150ms | -60.0 | -0.05 |
YES the rotation for sigA dup2 is 25.0 not 30.0 (it just works better that way)
this may work for sigs with different widths but these were used on sigs 400x150 (it shouldn't be affected by height)
it will probably work with other widths because the position is in relation to the size of the image