Fi-Te Tension

Description: The levator labii and depressor anguli muscles are continually in a state of activation, causing four points of tension to arise in the mouth area, up towards the nose and down below the mouth.
Fi-Te Mouth Tension
Variant: Default (Narrow & Square)
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Description: The taut square tension is visible underneath the skin. We see the tension manifest as pull-lines downward and upward when animating. The mouth is vertically contained by these up/down pull lines.
Fi-Te Mouth Tension
Variant: Narrow + Pudgy Bulges
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Description: The taut square tension is visible underneath the skin. We see small pudgy bulges show up in the top two corners next to the nose, as a result of the levator muscles. We don't see creasing in the bottom two points, but we see a "squareness" arise in the area.
Fi-Te Mouth Tension
Variant: Wide & Flat Cheeks
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Description: The taut square tension is visible underneath the skin. However, the lack of facial fat and low cheekbones disallow us to see "tension." Nevertheless we see the pulling happening along the four corners.
Fi-Te Mouth Tension
Variant: Wide & Bulgy
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Description: The taut square tension is visible underneath the skin. The mouth is wide, a feature normally in Fe/Ti, and yet the "curtain effect" does not show up. Instead we see up and down tension coming from Fi/Te despite the wideness of the smile.

Fe-Ti Tension

Description: The levator labii and depressor anguli muscles are continually in a state of deactivation, while the zygomatic major muscle is used for smiles and articulation.
Fe-Ti Mouth Tension
Variant: Default (Wide & Apple Cheeks)
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Description: At rest the face is neutral with no tension. When animated, the "curtain effect" of Fe happens, causing the skin to scooch out of the way and towards the ears.
Fe-Ti Mouth Tension
Variant: Flat Cheeks
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Description: At rest the face is neutral with no tension. When animated, the "curtain effect" of Fe happens, causing the skin to scooch out of the way and towards the ears. Crease lines are seen below, which should not be mistaken for "pull" marks, since they lack tension.
Fe-Ti Mouth Tension
Variant: Fat Cheeks
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Description: Large amounts of cheek fat make it hard to see neutral tension at rest. However, when animating a smile, the curtain-effect is seen, scooching the fat to the sides. No tension is seen down below. The bottom "lines" are tension-less folds, not pulls.
Fe-Ti Mouth Tension
Variant: Narrow Mouth & High Cheekbones
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Description: At rest the face is neutral with no tension, despite having a narrow mouth which causes a petite nose area. When smiling, the smile is also narrow, and yet it's like a narrowed-down version of an Fe smile, rather than being a four-point smile like in Fi/Te.