# ✏️ Sketch Enhancer
## 📥 Download Workflow
> ✅ No custom nodes required!
## 👋 Intro
Hi! Here I'm sharing a workflow I created while experimenting with a certain LoRA for Flux Klein 2.
With this workflow, you can turn any (as far as I've tested) anime / manga / cartoon low-quality image into an enhanced, colored, detailed pencil version. 🎨
Here's what you can expect it to do:
You can even colorize black-and-white manga pages / panels! 📖
> ⚠️ Note: If the original aesthetic, facial, or body features are altered too much, you may need to add specific instructions to your prompt, or add certain LoRAs for specific image features (e.g. NSFW).
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## ⚙️ Setup
### 📦 Required Files
> 💾 Download links are included in the workflow file as notes.
| File | Purpose |
|---|---|
| RealESRGAN_x4plus_anime_6B.pth | Upscale model |
| Flux Klein 2 9B | Diffusion model |
| Hyperdetailed Colored Pencil | LoRA |
| Qwen 3 8B | CLIP model |
| Flux2 | VAE |
### 🖥️ ComfyUI Version
Tested on ComfyUI v0.27.0
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## 🧩 Workflow Explanation
1. Load image
2. Upscale it 4x its original resolution
3. Downscale it to 1 megapixel
4. Get image size and create an empty latent from it
5. Load model, CLIP, VAE, and LoRA
6. Write prompt with LoRA trigger words: ArsMJStyle OR Colored pencil hyperdetailed realism OR both
7. Set up sampler:
- Sampler: [fill in]
- Scheduler: [fill in]
- Steps: 4 (range: 4–16)
- CFG: 1.0 (range: 0.8–2.0)
- Denoise: 1.0 (range: 0.85–1.0)
8. Decode and preview the image
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## 🏁 Final Word
As mentioned above, this workflow requires no custom nodes — only native ComfyUI nodes. 🙌
My original, messy, non-post-friendly workflow uses a ton of custom nodes and subgraphs to make researching value/LoRA combinations more practical. Feel free to combine different LoRAs and sampler values to your heart's content — you can get even better results than my "default" settings shown here! 🔥
### ⏱️ Performance
With the default step count of 4, the workflow takes ~32–33 seconds on average.
- 🕒 8 steps → ~66 seconds
- 🕒 16 steps → ~127 seconds
My hardware:
- 🧠 Intel Core i7-8700K
- 💾 32 GB DDR4 RAM
- 🎮 NVIDIA RTX 3060 12GB VRAM
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💬 Feedback, questions, and results are always welcome — drop a comment below!