<h3 id="technical-report:-flux.2-klein-instapy-model-validation">Technical Report: FLUX.2 [klein] InstaPy Model Validation</h3>1. Analysis of Morphological Scaling and Anatomical ControlThe model demonstrates unprecedented capability in manipulating bust volume across six distinct scales. Unlike standard architectures that rely on global resizing, this model exhibits localized mass redistribution.<ul><li>Anatomical Cohesion: During the evaluation of the elevator and bedroom image sets, even at maximum volume scales, the model maintained skeletal coherence. The transition zones between the chest, collarbone, and shoulders show realistic muscular and adipose tissue distribution.</li><li>Pose Dynamics: In the boat and elevator sets, the model rendered complex hand-to-head poses (e.g., pulling back hair, holding phones) without artifacting or merging digits. This confirms the engine understands 3D spatial positioning and topologic connectivity under extreme movement.</li></ul>2. Analysis of Wet-Look Physics and TranslucencyThe subway and wet-skin series were subjected to specific scrutiny regarding the physical properties of water and saturated textiles.<ul><li>Skin Physics: The model simulates "wet skin" by calculating light refraction through moisture. Highlights are not uniform; they adjust intensity based on the topography of the skin. This was observed in the subway sets, where water accumulation in muscular depressions (clavicles, chest) perfectly follows the body's geometry.</li><li>Fabric Transparency: The model successfully replicates the transition of white cotton/ribbed fabric from opaque to translucent when saturated. The "wet-look" cling to the body in the subway subway images proves the engine correctly maps the fabric's physical adhesion to the skin, revealing texture detail underneath without introducing digital blurring.</li></ul>3. Analysis of Ethnic Diversity and Archetype IntegrityTesting across various ethnic archetypes—specifically Asiatic, Latina, and Caucasian—confirms that the aesthetic engine is universal.<ul><li>Feature Precision: Facial features such as the bridge of the nose, eye structure, and lip definition remain unique to each archetype. The model does not "average out" features to fit a singular look.</li><li>Signature Consistency: The "brutalist" aesthetic—high-contrast, high-definition skin texture—is applied across all ethnicities equally. This ensures that the professional-grade output is not tied to one demographic but is a property of the rendering pipeline itself.</li></ul>4. Analysis of Environmental and Lighting Coherence<ul><li>Extreme Lighting (Snow/High-Key): In the snowy mountain sets, the model demonstrated excellent dynamic range. It managed the intense, reflective light of the snow without blowing out the highlights on the subject’s face, maintaining sharp definition on the skin and the leather jacket’s surface.</li><li>Urban/Night Environments: The model handles complex lighting (neon lights, bokeh, low-light interior) without losing detail. In the nightclub and street sets, the skin remains crisp and textured, avoiding the "plastic" look typical of models that over-denoise low-light data.</li><li>Material Rendering: The leather jackets, metallic jewelry (chokers, chains), and crochet/lace fabrics were rendered with physical accuracy. The model maintains the geometric integrity of these objects regardless of the lighting, confirming that the rendering engine understands the light-material interaction at a fundamental level.</li></ul>5. Analysis of Graphic and Logo Fidelity<ul><li>Logo Rendering: In the racing and sport-themed sets, the model rendered the "Castrol" and "CBF" logos on form-fitting clothing. The text and symbols remained sharp and undistorted, even as the fabric curved around the subject's body. This confirms the engine's ability to map vectors to 3D geometry accurately.</li></ul>6. Mandated Technical SpecificationsTo replicate the high-performance aesthetics and textural brutality documented in these 50+ images, the following configuration is strictly mandatory for inference:<ul><li>Sampler: Euler Beta</li><li>Sampling Steps: 10</li><li>CFG Scale: 1.0</li></ul>These settings are the only way to bypass artificial smoothing and ensure the model outputs the raw, high-frequency textural data observed in the images. Deviating from these settings, specifically by increasing the CFG or step count, will introduce synthetic artifacts and degrade the anatomical and material fidelity that defines this model.7. Comprehensive Prompt JSON &amp; Inference TemplateJSON<pre><code>{
 "image": {
 "source_id": "image_0.png",
 "generation_date": "2024-05-15",
 "required_resolution": "8K UHD"
 },
 "scene_description": {
 "overall_theme": "Medium-full shot, preserving subject likeness and key details, natural aesthetic in an arcade environment.",
 "subject": {
 "identification": {
 "alias": "Subject_01",
 "description": "A high-fidelity rendering of the woman from image_0.png, preserving her likeness, pose, and distinct features."
 },
 "details": {
 "face": {
 "pose": "Head turned toward the viewer's right, showing a partial profile, with a slight tilt.",
 "skin": {
 "type": "combination",
 "tone": "neutral to warm olive skin tone",
 "texture": "Visible pores around the nose and cheeks, subtle skin variations, and natural fine lines."
 },
 "eyes": {
 "color": "Dark brown irises",
 "details": "Defined limbal rings, catchlights from arcade lights, eyes looking downward and to the right.",
 "brows": "Well-defined, dark, natural brows with individual strands visible.",
 "makeup": {
 "liner": "None visible, natural lash line.",
 "shadow": "Subtle, neutral warm-toned shadow, blended."
 }
 },
 "nose": {
 "structure": "Straight bridge, refined tip, natural alar base.",
 "skin": "Slight natural sheen, visible pores on the nose."
 },
 "mouth": {
 "structure": "Full lips with natural ridges and minor wrinkles.",
 "asymmetry": "Slight asymmetry at the left corner, natural difference in upper and lower lip volume.",
 "makeup": {
 "gloss": {
 "type": "glossy",
 "color": "Neutral, rosy-brown gloss",
 "texture": "Creasing and reflective shine under overhead lighting."
 }
 }
 }
 },
 "hair": {
 "style": "Long, flowing dark hair, split slightly to the left side, with curls at the ends.",
 "color": "Deep, rich espresso with subtle warmer brown undertones.",
 "texture": "Wavy texture with significant volume, individual strand definition, and natural flyaways.",
 "flow": "Framing the left side of the face, flowing over both shoulders and down the back."
 },
 "body_anatomy": {
 "head_pose": "Tilted right and downward, showing the natural neck muscle structure (sternocleidomastoid) on the left.",
 "shoulders": "Natural posture with the right shoulder slightly higher, leaning forward.",
 "neck": "Smooth skin texture with natural lines and creases visible.",
 "tattoos": {
 "tattoo_angel": {
 "location": "Upper arm and bicep of the right arm (viewer's left).",
 "content": "A detailed illustration of an angelic or winged figure.",
 "texture": "Ink age is moderate, with sharp linework and shading."
 },
 "tattoo_floral": {
 "location": "Forearm of the right arm (viewer's left).",
 "content": "A botanical design, possibly small leaves or flowers.",
 "texture": "Ink is clear with varied line weights."
 }
 },
 "jewelry": {
 "necklace_simple": {
 "type": "Thin, gold-toned chain.",
 "pendant": {
 "shape": "Small, abstract, irregular-shaped gold pendant.",
 "location": "Rests centrally in the collarbone depression."
 }
 }
 },
 "breasts": {
 "form": "Natural volume defined by the fit of the white top; visible asymmetry at the neckline."
 }
 },
 "clothing": {
 "top_white": {
 "type": "White, textured, bra-style top with narrow straps.",
 "material": "Crinkled or ruched fabric, possible seersucker texture.",
 "details": "Visible seams, ruched details, metallic gold clasps or hardware at the straps."
 },
 "jeans_blue": {
 "type": "Light-washed blue denim jeans.",
 "material": "Durable cotton denim.",
 "details": "High-waisted fit, visible seams, natural denim texture with minor fading."
 }
 }
 }
 },
 "environment": {
 "setting": "Indoor arcade, bustling with activity.",
 "lighting": {
 "type": "artificial — mixed",
 "source": "Multiple overhead and integrated LED lights (blue and yellow) from surrounding machines.",
 "effect": "Creates dynamic shadows and warm/cool reflections on skin, hair, and clothing.",
 "temperature": "Warm/Neutral (approx. 3200-4000K)"
 },
 "background": {
 "overall": "Deep depth of field with various arcade machines.",
 "elements": {
 "arcade_machines": "Assorted racing and game cabinets with illuminated screens (blue, yellow, red), visible steering wheels, and seating.",
 "walls": "Wooden slat walls and dark floor tiles.",
 "lighting": "Reflections from LED panels and signs."
 }
 }
 }
 },
 "aesthetic_considerations": {
 "style": "Photojournalistic, high-resolution candid photography.",
 "realism": {
 "level": "Maximum",
 "skin_detail": "Visible pores, natural variation, peach fuzz, and skin micro-texture.",
 "hair_detail": "Strand-level resolution, natural flyaways, and light interplay.",
 "facial_asymmetry": "Preserved natural asymmetry of the eyes and smile.",
 "body_anatomy": "Natural form and articulation."
 },
 "composition": {
 "shot_type": "Medium shot (MS)",
 "frame": "Including the subject's head, upper body, and upper legs, with the arcade machine control panel in the foreground.",
 "depth_of_field": "f/4.0 — Subject is sharp; immediate foreground controls are slightly out of focus; background is a soft blur."
 },
 "post_processing": {
 "film_grain": "Fujifilm Superia 400 emulation.",
 "color_grading": "Neutral and natural with saturated cool tones from LEDs and warm skin tones.",
 "sharpening": "Selective on eyes and face."
 },
 "keywords": [
 "Maximum Realism",
 "8K UHD",
 "Pore Detail",
 "Candid Lighting",
 "Medium Shot",
 "Arcade Photography",
 "Tattoo Detail",
 "Portrait"
 ]
 },
 "prompt_injection": {
 "positive_constraints": "Maintain subject likeness from image_0.png, preserve natural skin and hair texture, ensure visible pores, respect natural facial and body asymmetry, preserve tattoo and jewelry details, and replicate the arcade environment.",
 "negative_constraints": "Overly smooth skin, airbrushing, caricature likeness, heavy filtering, unrealistic symmetry, and cartoon-like appearance."
 },
 "inference_parameters": {
 "sampler": "Euler Beta",
 "steps": 10,
 "cfg_scale": 1.0
 }
}
</code></pre>8. Technical Architecture &amp; Prompt Logic ExplanationThis section provides a technical breakdown of the structured JSON prompt architecture utilized for the FLUX.2 [klein] InstaPy engine. This methodology moves beyond standard prompting by treating the generative process as a high-fidelity rendering pipeline, using specific metadata to define light, physics, and material properties.1. Contextual Mapping (<code>image</code> &amp; <code>scene_description</code>)The engine utilizes these metadata blocks to define the global environment and aesthetic mood. By explicitly declaring the shot type as "Candid" and the theme as "Medium-full shot," the model restricts its creative variance to a photojournalistic framework, effectively disabling the "glossy commercial" aesthetic common in general-purpose models.2. Identity and Anatomical Logic (<code>subject</code>)This block functions as the primary driver for identity lock-on and physiological accuracy:<ul><li>Deep Prompting: Rather than using vague descriptors, the schema defines anatomical specifics such as the "sternocleidomastoid" (neck muscle) or "limbal rings" in the eyes. This forces the engine to compute the underlying skeletal and muscular structure before applying skin texture.</li><li>Material Fidelity: By detailing ink density and age in tattoos, or the specific weave and hardware of clothing, the engine computes how light must interact with these specific surface materials.</li></ul>3. Environmental Lighting &amp; Physics (<code>environment</code>)The engine relies on physical constants to generate light:<ul><li>Color Temperature: By specifying a Kelvin range (e.g., 3200-4000K), the engine performs a pre-rendering White Balance calculation. This ensures that the warm/cool reflections on skin and clothing are physically grounded in the described light sources (LEDs, overhead panels).</li><li>Depth Mapping: The specification of <code>f/4.0</code> depth-of-field constraints ensures that the engine calculates focal planes correctly, preventing the flat, uniform focus seen in inferior generative workflows.</li></ul>4. Aesthetic &amp; Realism Constraints (<code>aesthetic_considerations</code>)These parameters govern the engine's "brutalist" rendering pipeline:<ul><li>Micro-Texture Preservation: By explicitly calling for "pore detail," "peach fuzz," and "skin micro-texture," the pipeline prevents the engine from activating standard I.A. smoothing algorithms.</li><li>Compositional Control: The frame definitions ensure the subject-to-machine ratio is preserved, preventing the distortion of facial proportions that occurs when the engine attempts to fill the frame improperly.</li></ul>5. Logic of Prompt Injection (<code>prompt_injection</code>)This acts as a secondary error-correction layer within the diffusion process. The Positive Constraints reiterate core likeness requirements, while Negative Constraints act as a hardware-level override to block post-processing artifacts like airbrushing, caricature stylization, or synthetic symmetry.6. Inference Optimization (<code>inference_parameters</code>)The technical configuration is the engine's most critical performance component:<ul><li>Euler Beta Sampler: Selected for its precision in high-frequency detail retention.</li><li>10 Steps: Calibrated to the engine's optimal convergence point. Stopping at 10 steps preserves the "raw" photographic data; further steps would introduce unwanted I.A.-driven smoothing.</li><li>CFG Scale 1.0: Prevents the engine from over-saturating pixels, keeping the color grading neutral and authentic to the lighting specifications provided in the scene description.</li></ul>Summary: This JSON structure is not a mere set of keywords; it is a rendering manifest. By defining the physical properties of light, the anatomy of the subject, and the hardware-level inference parameters, this prompt logic ensures the model functions as a scientific rendering engine rather than a stochastic image generator.<hr /><hr /><h2 id="important-compatibility-notice">⚠️ IMPORTANT — Compatibility Notice</h2>This checkpoint was developed and tested exclusively in ComfyUI.Use only with ComfyUI for guaranteed results.Versions of Stable Diffusion WebUI (AUTOMATIC1111) and Stable Diffusion Forge are not recommended and may present failures, artifacts, incorrect generations, or unexpected behavior.The author does not provide support for generations made outside the ComfyUI environment.✅ Recommended: ComfyUI ❌ Not supported: AUTOMATIC1111 / Forge / other WebUI variants<hr /><hr /><h3 id="content-warning-(nsfw):">⚠️ CONTENT WARNING (NSFW):</h3>This merge is uncensored and capable of generating high-quality explicit NSFW content and nudity. It has a tendency towards revealing clothing in casual settings.<ul><li>For SFW results: Strong negative prompts are highly recommended (e.g., <code>nude, nipples, explicit, nsfw</code>).</li></ul><hr /><h3 id="license-and-permissions-(read-before-downloading)">⚠️ LICENSE &amp; PERMISSIONS (READ BEFORE DOWNLOADING)</h3>1. PERSONAL USE ONLY This model is provided free of charge for Personal, Non-Profit, and Research use only. You may use it to create images for your personal portfolio.2. STRICTLY NO REDISTRIBUTION<ul><li>❌ DO NOT re-upload this file to Civitai, Hugging Face, or any other platform.</li><li>❌ DO NOT host this model on third-party generation services (e.g., <a target="_blank" rel="ugc" href="http://Tensor.art">Tensor.art</a>, <a target="_blank" rel="ugc" href="http://Mage.space">Mage.space</a>, Telegram Bots).</li></ul>3. COMMERCIAL RESTRICTIONS Using this model or its outputs for commercial revenue (Influencers, Ads, Stock Photos) without a license is PROHIBITED.<hr /><h3 id="commercial-services-and-commissions">💼 COMMERCIAL SERVICES &amp; COMMISSIONS</h3>I do not sell the model file for commercial use. Instead, I offer premium AI solutions for brands and agencies:<ul><li>✨ Exclusive AI Influencers: I create and manage consistent digital personas for Instagram/Social Media.</li><li>🏢 Corporate B2B LoRAs: Custom training for brand identity and mascots.</li><li>📸 High-End Image Packs: Monthly content packages for your brand.</li></ul>To hire me for professional AI Modeling services: 📩 Contact: [<a target="_blank" rel="ugc" href="mailto:designxtreme@outlook.com">designxtreme@outlook.com</a>]

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