ArkRoute

How to Build an AI Fashion Film with Seedance 2.0 + Storyboard References (Full Code)

April 10, 2026 · 12 min read Tutorial Seedance 2.0 Fashion Film Storyboard

You have a product photo. You want a cinematic multi-shot fashion film — the kind with camera cuts, different angles, and a real narrative feel. Not just a 3-second loop of the product slowly rotating.

Traditional image-to-video (I2V) animates one frame. You feed it a handbag photo, it gives you the handbag gently wobbling for five seconds. That's useful, but it's not a film.

Seedance 2.0's storyboard reference mode changes everything. Instead of animating a single image, you pass it a multi-panel storyboard grid — a 2×2 or 3×3 layout where each panel is a different shot — and Seedance 2.0 reads each panel as a sequential scene. The output is a real multi-shot video with cinematic transitions between angles.

This tutorial walks you through the entire pipeline: from a single product photo to a polished fashion film, using nothing but Python and the ArkRoute API. Full code included — copy, paste, run.

What You'll Build

By the end of this tutorial, you'll have a 10-second cinematic fashion film generated entirely by AI. The pipeline:

📸 Product Photo
🎨 AI Storyboard
(NanoBanana / Seedream)
🎬 Seedance 2.0
(Reference Mode)
🎥 Cinematic Film

Each step is an API call. No video editing software. No manual compositing. No $2,000 freelancer.

Prerequisites

1 Design Your Storyboard

A storyboard for Seedance 2.0 is a single image divided into a grid of panels. Each panel represents one shot in your final video.

Grid formats

GridPanelsBest ForRecommended Duration
2×24 shots5–10 second films10s
3×3Up to 9 shots10–15 second films15s
2×3 or 3×26 shotsMedium-length narratives10–15s

Each panel should be a distinct camera angle or scene. Think of it like a director's shot list:

# Storyboard Prompt Template

"A 2x2 storyboard grid for a luxury fashion film.
Product: [YOUR PRODUCT DESCRIPTION].

Panel 1 (top-left): Close-up of [product] on marble surface,
  soft directional lighting, shallow depth of field

Panel 2 (top-right): Model carrying [product] walking through
  [location], golden hour, 35mm film look

Panel 3 (bottom-left): Detail shot of [product] texture and
  material, macro lens, studio lighting

Panel 4 (bottom-right): Wide establishing shot, [product] in
  lifestyle context, cinematic composition"

💡 Key principle: Make each panel visually distinct. Different camera distances (close-up vs. wide), different lighting, different angles. The more variety across panels, the more dynamic your final video will feel. Seedance 2.0 reads the visual differences between panels to create distinct shots.

2 Generate the Storyboard with AI

You can generate the storyboard with any AI image model that handles multi-panel layouts well. ArkRoute gives you several options on the same API:

Option A: NanoBanana 2 (fast, great for storyboards)

import requests

API_KEY = "your_arkroute_api_key"
BASE = "https://api.ark-route.com/v1"

# Generate a 2x2 storyboard grid
resp = requests.post(f"{BASE}/images/generations",
    headers={"Authorization": f"Bearer {API_KEY}"},
    json={
        "model": "nano-banana-2",
        "prompt": """A 2x2 storyboard grid for a luxury fashion film.
Product: A caramel leather handbag with gold hardware.

Panel 1 (top-left): Close-up of the handbag on a marble surface,
  soft directional lighting, shallow depth of field, luxury editorial

Panel 2 (top-right): A woman carrying the handbag walking through
  a Paris cobblestone street, golden hour, 35mm film look

Panel 3 (bottom-left): Extreme close-up of the leather texture
  and gold clasp detail, macro lens, warm studio lighting

Panel 4 (bottom-right): Wide shot of the handbag on a cafe table
  with an espresso, autumn leaves, Parisian atmosphere""",
        "size": "1024x1024"
    }
).json()

storyboard_url = resp["data"][0]["url"]
print(f"Storyboard: {storyboard_url}")

Option B: Seedream 3.0 (higher quality, slower)

# Same API, just swap the model
resp = requests.post(f"{BASE}/images/generations",
    headers={"Authorization": f"Bearer {API_KEY}"},
    json={
        "model": "seedream-3.0",
        "prompt": "A 2x2 storyboard grid for a luxury fashion film...",
        "size": "1024x1024"
    }
).json()

storyboard_url = resp["data"][0]["url"]

NanoBanana 2 typically generates in 3–5 seconds and costs about $0.02. Seedream 3.0 takes 10–20 seconds but produces sharper detail. For storyboards, NanoBanana is usually sufficient — the storyboard is a reference layout, not the final output.

🎨 Tip: If you already have a storyboard image (designed in Figma, hand-drawn, or generated elsewhere), skip this step entirely. Just host it somewhere accessible and use the URL directly in Step 3.

3 The Magic — Storyboard Reference Mode

This is the core of the technique. When you pass an image to Seedance 2.0, two things can happen depending on whether you set image_role:

ModeParameterBehavior
Image-to-Video (default)No image_roleThe image becomes the first frame. Seedance animates it — camera slowly moves, objects gently shift. One continuous shot.
Storyboard Referenceimage_role: "reference_image"The image is read as a visual reference. Seedance interprets each panel as a separate scene and generates a multi-shot video with cuts between them.

The image_role: "reference_image" parameter is the entire difference between "animate this photo" and "direct a multi-shot film from this storyboard."

# Submit video generation with storyboard reference
resp = requests.post(f"{BASE}/video/generations",
    headers={"Authorization": f"Bearer {API_KEY}"},
    json={
        "model": "seedance-2.0-fast",
        "prompt": "Follow the 4-panel storyboard as a shot sequence. "
                  "A caramel leather handbag fashion film — Paris autumn "
                  "street, golden hour, cinematic cuts between scenes. "
                  "Each panel becomes a unique camera angle. Smooth "
                  "transitions, luxury editorial feel, 35mm film grain.",
        "image_url": storyboard_url,
        "image_role": "reference_image",
        "duration": 10,
        "aspect_ratio": "16:9",
        "resolution": "720p"
    }
).json()

task_id = resp["id"]
provider = resp["provider"]
print(f"Task submitted: {task_id}")
print(f"Provider: {provider}")

🔑 Two critical details:

1. The provider field in the response tells you which upstream account is handling your task. You must pass it back when polling for status — it routes the poll to the correct backend.

2. Your prompt should explicitly reference the storyboard — phrases like "follow the 4-panel storyboard" and "each panel becomes a unique camera angle" help Seedance understand the intent.

4 Poll for Results and Download

Seedance 2.0 Fast typically takes 60–150 seconds for a 10-second clip. Pro takes 120–240 seconds. Poll the status endpoint until status is "succeeded":

import time

print("Waiting for video generation...")
poll_count = 0

while True:
    time.sleep(5)
    poll_count += 1

    r = requests.get(
        f"{BASE}/video/status/{task_id}",
        params={"provider": provider},
        headers={"Authorization": f"Bearer {API_KEY}"},
    ).json()

    status = r["status"]
    print(f"  Poll #{poll_count}: {status}")

    if status == "succeeded":
        video_url = r["video_url"]
        print(f"\n✅ Video ready: {video_url}")
        break

    if status == "failed":
        print(f"\n❌ Generation failed: {r}")
        raise RuntimeError("Video generation failed")

# Download the MP4
video_data = requests.get(video_url).content
with open("fashion_film.mp4", "wb") as f:
    f.write(video_data)
print(f"Saved: fashion_film.mp4 ({len(video_data) / 1024 / 1024:.1f} MB)")

The response is a flat JSON object — {"id": "...", "status": "succeeded", "video_url": "..."}. No nested structures.

5 Complete Pipeline — One Script

Here's the full end-to-end script. Copy it, set your API key, and run:

#!/usr/bin/env python3
"""
AI Fashion Film Pipeline
========================
Product description → AI storyboard → Seedance 2.0 → cinematic film

Usage:
    python fashion_film.py

Requirements:
    pip install requests
"""

import requests
import time
import sys

# ── Configuration ──────────────────────────────────────────
API_KEY = "your_arkroute_api_key"          # Get one free at ark-route.com
BASE    = "https://api.ark-route.com/v1"

PRODUCT      = "A caramel leather handbag with gold hardware and quilted stitching"
LOCATION     = "Paris cobblestone streets in autumn"
STYLE        = "luxury editorial, 35mm film grain, golden hour"
DURATION     = 10           # 5, 10, or 15 seconds
VIDEO_MODEL  = "seedance-2.0-fast"   # "seedance-2.0" for Pro quality
IMAGE_MODEL  = "nano-banana-2"       # "seedream-3.0" for higher quality

HEADERS = {"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"}


def generate_storyboard():
    """Step 1-2: Generate a 2x2 storyboard grid."""
    print("🎨 Generating storyboard...")

    prompt = f"""A 2x2 storyboard grid for a luxury fashion film.
Product: {PRODUCT}.

Panel 1 (top-left): Close-up of the product on a marble surface,
  soft directional lighting, shallow depth of field, {STYLE}

Panel 2 (top-right): A stylish woman carrying the product walking
  through {LOCATION}, {STYLE}

Panel 3 (bottom-left): Extreme close-up detail shot of the product
  texture and craftsmanship, macro lens, warm studio lighting

Panel 4 (bottom-right): Wide establishing shot, the product placed
  in a lifestyle setting — cafe table with espresso, autumn leaves,
  cinematic atmosphere, {STYLE}"""

    resp = requests.post(f"{BASE}/images/generations",
        headers=HEADERS,
        json={
            "model": IMAGE_MODEL,
            "prompt": prompt,
            "size": "1024x1024"
        }
    ).json()

    if "data" not in resp or not resp["data"]:
        print(f"❌ Storyboard generation failed: {resp}")
        sys.exit(1)

    url = resp["data"][0]["url"]
    print(f"   ✅ Storyboard ready: {url}")
    return url


def generate_video(storyboard_url):
    """Step 3: Submit storyboard to Seedance 2.0 reference mode."""
    print(f"\n🎬 Submitting to {VIDEO_MODEL} (storyboard reference mode)...")

    prompt = (
        f"Follow the 4-panel storyboard as a shot sequence. "
        f"A {PRODUCT} fashion film — {LOCATION}, {STYLE}. "
        f"Cinematic cuts between scenes. Each panel becomes a unique "
        f"camera angle. Smooth transitions, luxury editorial feel. "
        f"No text overlays."
    )

    resp = requests.post(f"{BASE}/video/generations",
        headers=HEADERS,
        json={
            "model": VIDEO_MODEL,
            "prompt": prompt,
            "image_url": storyboard_url,
            "image_role": "reference_image",
            "duration": DURATION,
            "aspect_ratio": "16:9",
            "resolution": "720p"
        }
    ).json()

    if "id" not in resp:
        print(f"❌ Video submission failed: {resp}")
        sys.exit(1)

    task_id = resp["id"]
    provider = resp["provider"]
    print(f"   Task ID:  {task_id}")
    print(f"   Provider: {provider}")
    return task_id, provider


def poll_and_download(task_id, provider):
    """Step 4: Poll until complete, then download the MP4."""
    print(f"\n⏳ Waiting for video (this takes 60-150s for Fast, 120-240s for Pro)...")

    start = time.time()
    poll_count = 0

    while True:
        time.sleep(5)
        poll_count += 1

        r = requests.get(
            f"{BASE}/video/status/{task_id}",
            params={"provider": provider},
            headers=HEADERS,
        ).json()

        status = r["status"]
        elapsed = int(time.time() - start)
        print(f"   [{elapsed}s] Poll #{poll_count}: {status}")

        if status == "succeeded":
            video_url = r["video_url"]
            print(f"\n✅ Video ready! ({elapsed}s total)")
            print(f"   URL: {video_url}")

            # Download
            video_data = requests.get(video_url).content
            filename = "fashion_film.mp4"
            with open(filename, "wb") as f:
                f.write(video_data)
            print(f"   Saved: {filename} ({len(video_data) / 1024 / 1024:.1f} MB)")
            return video_url

        if status == "failed":
            print(f"\n❌ Generation failed after {elapsed}s")
            print(f"   Response: {r}")
            sys.exit(1)

        # Safety timeout at 10 minutes
        if elapsed > 600:
            print(f"\n⚠️  Timeout after {elapsed}s. Task may still be processing.")
            print(f"   Check manually: GET {BASE}/video/status/{task_id}?provider={provider}")
            sys.exit(1)


def main():
    print("=" * 60)
    print("  AI Fashion Film Pipeline")
    print(f"  Product: {PRODUCT}")
    print(f"  Video model: {VIDEO_MODEL} | Duration: {DURATION}s")
    print("=" * 60)

    storyboard_url = generate_storyboard()
    task_id, provider = generate_video(storyboard_url)
    video_url = poll_and_download(task_id, provider)

    print(f"\n{'=' * 60}")
    print("  🎥 Pipeline complete!")
    print(f"  Storyboard: {storyboard_url}")
    print(f"  Video:      {video_url}")
    print(f"  Local file: fashion_film.mp4")
    print(f"{'=' * 60}")


if __name__ == "__main__":
    main()

Pro Tips for Better Results

🎯 Storyboard Design

✍️ Prompt Engineering

⚡ Model Selection

⚠️ Common Pitfalls

Cost Breakdown: Under $5 for a Fashion Film

Let's do the math for a complete pipeline run:

StepModelCost
Storyboard generationNanoBanana 2~$0.02
Draft video (iteration)Seedance 2.0 Fast, 10s$1.70
Hero video (final)Seedance 2.0 Pro, 10s$4.30
Total (1 draft + 1 hero)~$6.02

In practice, you might generate 2–3 draft storyboards ($0.06) and 2–3 draft videos ($3.40–$5.10) before landing on a winner to upscale with Pro. A realistic full session: under $10.

💰 For comparison: A freelance videographer shooting a product film costs $500–$2,000. A motion graphics studio runs $2,000–$10,000. This pipeline delivers comparable quality for under $10, in under 5 minutes, with infinite iteration.

Full pricing reference

Model5 seconds10 seconds15 seconds
Seedance 2.0 Fast$0.85$1.70$2.55
Seedance 2.0 Pro$2.15$4.30$6.45

What's Next

Start Building

Everything in this tutorial runs on ArkRoute's API. Sign up, get 500 free credits, and generate your first fashion film in the next 5 minutes.

Start Free →

No credit card required for the free tier. 500 credits = enough for several test films.