I use PMD Edit (app is named Binary Morph Editor, launcher is labeled PMDEdit.exe) as it allows you to save out both pmd based and non-pmd based inj/rem files. You can create groups in all of the actors or just the body. https://www.renderosity.com/mod/bcs/binary-morph-editor/51221/

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Daz, Blender, Affinity, Substance, Unity, Python, C#