Stable Doodle is a sketch-to-image tool launched by Stability AI through Clipdrop, combining a drawing with a text description to generate an image. Its published design uses Stable Diffusion XL and Tencent ARC's T2I-Adapter. Access was through Clipdrop, but its current tool directory does not list Stable Doodle, so a working session cannot be assumed from the launch announcement. Stable Doodle announcement Clipdrop tool directory
What are the key facts about Stable Doodle?
| Field | Verified information |
|---|---|
| Developer | Stability AI's Clipdrop team; the conditioning technology comes from Tencent ARC. Stable Doodle announcement |
| Released | July 13, 2023. T2I-Adapter README |
| Type | Hosted sketch-and-text image generation tool using SDXL and T2I-Adapter. Stable Doodle announcement |
| Size or parameters | Total service model size: not published. The launch describes an approximately 77M-parameter adapter component. Stable Doodle announcement |
| License and access | Clipdrop service terms apply; no standalone Stable Doodle weights are offered by the launch documentation. Stable Doodle announcement |
| Where it runs | Originally Clipdrop's website and apps; the current Clipdrop tools directory does not list Stable Doodle. Stable Doodle announcement Clipdrop tool directory |
How does Stable Doodle use a sketch and prompt?
Stable Doodle's documented purpose is to give image generation a spatial starting point. A sketch communicates outlines while the accompanying description tells the system what those outlines represent. Stability AI demonstrates that combination with subjects including furniture, animals, buildings, and interiors. Stable Doodle announcement
The underlying adapter approach adds conditioning to a pretrained diffusion model. Tencent ARC publishes separate adapters for different inputs, including sketches, edges, depth, and poses. That separation explains why choosing the right kind of guidance matters: a pose map and a hand-drawn outline convey different information. T2I-Adapter README
For your own concept work, start by deciding which decision belongs in the drawing. Use the sketch to propose the silhouette and placement of the main subject. Reserve the written description for material, setting, lighting, and the intended visual treatment. Treat this as a way to organize a test: inspect the result against the drawing before accepting it.
For example, sketch a broad chair back and a clearly separated seat. Describe it as a wooden reading chair beside a window, then inspect whether the generated image preserves those two features. Evaluate the structure before spending time on fabric texture or decorative details.
What are Stable Doodle's limitations?
Stability AI explicitly says the result depends on both the initial drawing and its description, and that scene complexity can affect accuracy. Consequently, treat the output as an interpretation of a sketch. If a project requires exact dimensions or a mechanically valid object, define a separate review process before accepting the image. Stable Doodle announcement
Availability is another practical limit. The current Clipdrop homepage offers other image tools, but its published directory omits Stable Doodle. The original launch's access instructions describe the service at that time; they do not establish a current free allowance or subscription entitlement. Clipdrop tool directory
A downloadable adapter is a separate artifact with separate requirements. Tencent ARC's SDXL sketch card specifies its compatible base model and the format of its conditioning image. Its Apache-2.0 license applies to that adapter; it does not license the entire Clipdrop service. SDXL's own model card supplies the base model's license and limitations. SDXL sketch adapter card SDXL model card
Do not estimate local hardware needs from the adapter's parameter count alone. A local workflow also loads the base image model and its other components. The official sketch example explicitly constructs a pipeline containing more than the adapter. SDXL sketch adapter card
How can you use sketch guidance with SDXL?
Stable Doodle's documented consumer workflow was hosted through Clipdrop's web interface and apps.
Use the current Clipdrop directory to check availability before planning a session; Stable Doodle is not listed there. Stable Doodle announcement Clipdrop tool directory
For an available implementation of the underlying sketch approach, follow Tencent ARC's separate SDXL sketch model card. It links a drawing demo and documents a local Diffusers pipeline. This is an alternative implementation, not a download of Stable Doodle. SDXL sketch adapter card
- Read the sketch adapter card and identify its required SDXL base model.
- Inspect the illustrated conditioning format: white outlines against a black background.
- Follow the card's dependency installation and pipeline setup in an isolated environment.
- Supply the prepared conditioning image and a text prompt to the documented adapter pipeline.
- Save the image and compare its subject placement with the original sketch. SDXL sketch adapter card
The official repository is useful for inspecting the supported adapters and their examples:
git clone https://github.com/TencentARC/T2I-Adapter.git
cd T2I-Adapter
Cloning retrieves the implementation and documentation. Follow its linked inference example to load the appropriate weights and run generation. Review the exact dependency instructions before installation rather than assuming that the repository itself contains a complete ready-to-run model. T2I-Adapter README
Keep a simple experiment log containing the drawing, prompt, adapter identifier, base model identifier, and result. Change one visual instruction at a time. If the silhouette is wrong, simplify the drawing; if the silhouette is useful but the material is wrong, revise that part of the prompt and compare another output.
The ComfyUI guide provides broader workflow context. When choosing a base model, consult the SDXL models guide and then verify compatibility against the adapter's own card.
How does Stable Doodle compare with an SDXL sketch adapter?
| Option | Input and access distinction |
|---|---|
| Stable Doodle | A packaged sketch-and-prompt service originally offered through Clipdrop; current access is unconfirmed. Stable Doodle announcement Clipdrop tool directory |
| Tencent ARC SDXL sketch adapter | Downloadable sketch conditioning component with a documented SDXL pipeline. SDXL sketch adapter card |
| SDXL base model | Downloadable image model whose card documents text-to-image inference; the sketch adapter adds a separate conditioning path. SDXL model card SDXL sketch adapter card |
For local setup, record the exact sketch adapter and SDXL base model used together. Keep that pair with your prompt and conditioning image so another person can repeat the same trial.
What else should you know about Stable Doodle?
Can I download Stable Doodle from Hugging Face?
Stable Doodle's launch documentation provides access through Clipdrop, without standalone Stable Doodle weights. Tencent ARC separately publishes an SDXL sketch adapter on Hugging Face, with its own model card and license. Stable Doodle announcement SDXL sketch adapter card
Is Stable Doodle still available on Clipdrop?
Clipdrop's current tool directory does not list Stable Doodle. Check with Clipdrop before planning a Stable Doodle session or purchasing a subscription for access. Clipdrop tool directory
Does the sketch adapter work without a base image model?
Tencent ARC's SDXL sketch adapter requires a base image model. Its published example loads the adapter with stabilityai/stable-diffusion-xl-base-1.0 and the other pipeline components. SDXL sketch adapter card
How should I test whether sketch guidance helps?
To test Stable Doodle or an SDXL sketch adapter, identify the outline and placement you want preserved before generating. Compare each output with those requirements and revise the drawing or description according to the error you observe.
Sources
- Stable Doodle launch announcement
- Current Clipdrop tool directory
- Tencent ARC official T2I-Adapter README
- Tencent ARC SDXL sketch adapter model card
- Stability AI SDXL base model card
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