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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mask: back_torso · Lock: face, hair · 28px feather) → After (0px Unmasked Pixel Drift)Surgical Mask Guardrails & Prompt Spec
| Parameter | Specification |
|---|---|
| Scenario ID | #028 (back-dimples-spine-arch-sculpt) |
| Target Anatomy Region | pose |
| Mask & Pixel-Lock Spec | mask: back_torso · Lock: face, hair · 28px feather (Outside-ROI Drift: 0 px) |
| Pre-Calibrated Prompt | Graceful 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.