What are blend shapes?

Figure 3 from Structure-aware transfer of facial blendshapes

How to Rig Facial Expressions with Blend Shapes

Hair physics WIP using all blendshapes! : r/Live2D

Media] Blend Shapes - an easy, yet powerful way to add facial

The corresponding markers on the blendshapes are deformed to match

Easily Retarget BlendShapes in Maya to Different Shaped Geometry

Maya Tutorial for Beginners - Blend Shapes Deformer

Maya Blend Shapes

Problem with blend shapes : r/Maya