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The Carbon Garment Processor supports both simulation and render meshes and they can be of different resolution to each other.
To map the simulation meshes to the render meshes the Carbon Garment Processor provides 3 different, very fast, deformers.
Sometimes, when using the fastest skinning deformer, you may see gaps between your render mesh panels, especially on sharp corners when your mesh is low resolution. To solve this switch to the analytical deformer for that panel(s).

here are some image examples -

First using the skinning deformer we can see some gaps
 

Now with the analytical deformer you can see the gaps are gone.
 

You can check out more about the Carbon deformers in the Carbon documentation.