SCENARIO #028 · BODY PROPORTION & HOURGLASS SILHOUETTE SCULPTING · OUTSIDE-ROI DRIFT: 0 PX

Three-Quarter Back Arch, Scapula & Spine Groove

Define the spinal groove, shoulder blades, and lower-back Venus dimples on three-quarter lookback portraits.

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Three-Quarter Back Arch, Scapula & Spine Groove — Before / #FF9000 ROI Mask / After
Before (Anchor) → #FF9000 Surgical ROI Mask (mask: back_torso · Lock: face, hair · 28px feather) → After (0px Unmasked Pixel Drift)

Surgical Mask Guardrails & Prompt Spec

ParameterSpecification
Scenario ID#028 (back-dimples-spine-arch-sculpt)
Target Anatomy Regionpose
Mask & Pixel-Lock Specmask: back_torso · Lock: face, hair · 28px feather (Outside-ROI Drift: 0 px)
Pre-Calibrated PromptGraceful three-quarter back arch with defined spinal groove and subtle scapula highlights under warm rim light.

Frequently Asked Questions

How do I apply Three-Quarter Back Arch, Scapula & Spine Groove without changing the character's face or background?

Define the spinal groove, shoulder blades, and lower-back Venus dimples on three-quarter lookback portraits. — PornCut isolates only the pose mask (mask: back_torso · Lock: face, hair · 28px feather) and hard-locks every pixel outside the feather boundary.