Other models available other than 4-stacked?

Hello Adrian,

Thanks for sharing your code in pytorch. I noticed that you have probably tested several models with less stacked FAN [here](https://github.com/1adrianb/face-alignment/blob/478c38823785db76ca85c059cd455a23a586b663/face_alignment/api.py#L26).

However, only 4-stacked pretrained model is available to download from your website. I would like to know that if it is possible to share smaller models even though the performance might be a little bit worse.

Thank you very much in advance.

The issue references the model loading logic in face_alignment/api.py line 26. Examine the available model configurations and the training pipeline to understand how to produce and share smaller models. Check if there are existing scripts for training different stack counts and what changes are needed to host and serve these models.

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