If you use the match centers function and then export your spawned morph the centers for your new morph will be included in the morph injection you create.

1. Dial in your shape with the morph kit

2. Spawn new morph

3. Zero the figure

4. Dial in your new morph to 1.0. It should be the only morph dialed.

5. Match centers to the new morph

6. Export your new morph as a Morph Injection.