A highly structured prompt for Gemini Nano Banana Pro to generate a semi-realistic 3D character render of Billie Eilish in a cartoon version. It specifies detailed facial features, dark green hair in pigtails, specific jewelry, oversized green clothing, and technical details like 8K resolution and cinematic lighting.
{
"image_type": "3D-rendered digital portrait",
"resolution_target": "8K",
"aspect_ratio": "3:4",
"camera_framing": {
"shot_type": "medium close-up",
"orientation": "vertical",
"subject_position": "subject occupies center-left frame",
"crop": "head to upper torso visible"
},
"camera_angle": {
"head_pose": "three-quarter profile",
"face_direction": "turned to the viewer’s right",
"eye_direction": "looking slightly toward the camera"
},
"subject": {
"gender_presentation": "female",
"age_appearance": "young adult",
"skin_tone": "light skin tone",
"facial_features": {
"face_shape": "slightly elongated with soft contours",
"forehead": "smooth, broad",
"eyes": {
"color": "green",
"shape": "large, rounded",
"eyelashes": "visible, natural thickness"
},
"eyebrows": "dark, thick, naturally arched",
"nose": {
"shape": "small to medium",
"piercing": "silver hoop nose ring on left nostril"
},
"mouth": {
"expression": "subtle smirk",
"lips": "medium fullness, natural pink tone"
},
"freckles": "visible freckles across nose and cheeks",
"marks": "small scratch-like mark on right cheek"
}
},
"hair": {
"color": "{argument name="hair color" default="dark green"}",
"style": "two high pigtails",
"parting": "center part",
"texture": "smooth with loose flyaway strands",
"hair_ties": "green bands",
"loose_strands": "multiple thin strands framing the face"
},
"ears_and_jewelry": {
"ears_visible": true,
"ear_piercings": "small gold hoop earring visible on right ear",
"neckwear": [
{
"type": "choker",
"material": "black leather",
"details": "silver studs"
}
],
"necklaces": [
{
"material": "gold",
"style": "thin chain",
"pendant": "small circular ring"
},
{
"material": "gold",
"style": "thicker chain",
"pendant": "padlock-shaped charm"
}
]
},
"clothing": {
"top": {
"type": "oversized t-shirt",
"color": "green",
"fabric_appearance": "soft cotton",
"graphics": "black abstract symbol on chest",
"fit": "loose"
}
},
"pose_and_body": {
"shoulders": "slightly angled",
"neck": "elongated, relaxed",
"posture": "upright with casual tilt"
},
"lighting": {
"type": "soft studio lighting",
"direction": "front-left",
"shadows": "gentle shadows defining facial contours",
"contrast": "moderate"
},
"background": {
"color": "neutral light gray",
"texture": "smooth gradient",
"depth": "shallow depth of field",
"distractions": "none"
},
"render_style": {
"style": "semi-realistic 3D character render",
"skin_detail": "highly detailed skin texture",
"material_quality": "realistic fabric and metal shaders",
"edges": "clean, polished",
"overall_finish": "AI-generated, ultra-clean look"
},
"color_palette": {
"dominant_colors": ["green", "gray"],
"accent_colors": ["gold", "black", "silver"]
},
"quality_tags": [
"ultra-detailed",
"8K",
"high sharpness",
"cinematic lighting",
"professional 3D render"
]
}
An image of the character from the reference image sitting in a room. A wide shot including the corner of the room. The room has no windows, red wallpaper and floor, only a simple red corner sofa and a red low table along the wall. The letter 'A' is written largely in white on the wallpaper.
Zhuge Liang Kongming (human) VS Sima Yi Zhongda Like {argument name="style" default="Final Fantasy X"} {argument name="element1" default="Water Dragon"} VS {argument name="element2" default="Fire Dragon"} Background set to space Radiation of stars Charm on the feather fan
{ "Objective": "Create a panoramic character concept decomposition sheet for a Japanese high school student. Center: Full-body illustration of female student in JK uniform. Surrounding: Layered clothing showing school uniform layers and casual wear, Expression sheet with cheerful smile, studious concentration, surprised excitement, and shy embarrassment, Texture zoom on uniform fabric and school accessories", "FaceReference": { "Mode": "Strict face preservation", "Instruction": "Use uploaded reference image for exact facial features, bone structure, and proportions", "Consistency": "Face must remain identical across all frames" }, "CharacterDetails": { "Subject": { "Type": "Japanese high school student", "Age": "17" }, "ClothingLayers": [ "School blazer with emblem", "White button-down shirt", "Pleated skirt", "Casual underwear set", "Loafers and socks" ] }, "RelatedItems": { "Bag": "School satchel with textbooks, notebooks, pencil case, lunch box", "SchoolTools": "Student ID card, club activity items, study materials", "Personal": "Smartphone, headphones, cute accessories, manga, snacks" } }
A {argument name="subject" default="vampire knight"}, {argument name="location" default="Castle Dracula"} defender burning up from sunlight. Heavy cloak can't block out the sun completely!
Make Ukyo-chan and a glasses-wearing Kunoichi fight in the image of the Samurai Shodown game screen
A scene in an open clearing on the edge of a dense evergreen forest. There is snow on the ground and the weather appears icy and cold. The sun is bright overhead and the air is clear, and there are rows and rows of organized military tents in the distance. A few banner flags are mounted on poles near the tent camps with the prominent feature of a {argument name="banner feature" default="wolf head"}. Another banner shows a simple red eagle. Various soldiers move above between the camp tents, tending cook fires, sharpening swords, and planning around maps. The aesthetic should feel Medieval or Renaissance, with no technology, but sophistication in the army camp organization. The composition is at the eye level of a human adult. The scene should be realistic but that of a fantasy world like Wheel of Time. --ar 9:16
keep the girl’s character and pose from Image 2; have her turn her head toward the camera and smile; raise her left hand, make a fist, and point toward the logo from Image 1. The logo should float above her upper body, fully visible with its original background color preserved. No UI overlays.
A {argument name="subject" default="young man with medium-length wavy silver hair"}, sharp jawline, light stubble, intense hazel eyes, wearing a futuristic hoodie, sitting in a {argument name="environment" default="neon-lit cyberpunk room"} full of holographic screens, glowing {argument name="colors" default="blue and pink lights"} reflecting on his face, dark moody atmosphere, ultra-detailed, cinematic lighting, 4K, cyberpunk aesthetic
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