a base 3D head plus two separately poseable Caribou antlers (or horns) to use as a drawing reference.
It is very low-poly but should do the job (I don't want to explode your PC).
In the settings you are able to hide the head, so it only displays the horns with whatever base body you'd rather use, like the Clip Studio default models.

Material
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Default material
Allocate
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Default layout