Sounds like you forgot to scale back to default before exporting your morph target. Import just the morph target obj into a scene and translate it into a position to compare with the prop. It's probably much larger.

Do you want me to show you how to set up your wings so they open and close without using a morph but rather using rotation dials and the joint editor, linked to a single dial? The problem with using a morph to create rotations is that morphs only move in a linear direction. No arcs. It's very easy to set up.

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