Landmark Chalk Blueprint — Open Skill

Landmark Chalk Blueprint

Landmark Chalk Blueprint is a public Open Skill on Digen. Open it to see what this workflow creates.

@BrookeHollis

Poster

0 0 0

https://d7qlwi7tl2u27.cloudfront.net/skill-covers/prod/4284958/2026-10-18/uc8ryxkp.webp

# Landmark Chalk Blueprint

Name a landmark and it gets annotated like a master engineer's chalkboard — white chalk structure lines, load paths and notes drawn right over a real photograph.

## When to use

- The user wants a landmark turned into a photographic engineering infographic with white chalk diagrams and structural notes (landmark blueprint infographic, chalk structure breakdown, educational architecture poster)
- A variation on a previous result: construction timeline

Not for: Video output (use a video skill).

## Inputs and gates

| Input | Required | Default | Gate |
|---|---|---|---|
| Person photo | No | — | Optional; if given, the face is preserved |
| Landmark photo | No | — | keeps your chosen view and surroundings |
| Description | Yes | — | What the user wants; merged into the prompt |
| Focus | No | `structure and load paths` | structure and load paths (default), construction timeline, materials breakdown, or user-described |
| Ratio | No | `3:4 default` | 3:4 default; 4:5, 16:9 on request |

- If the person may be under 18, stop and decline politely. Real-person photos must be of adults the user has the right to use.
- Fashion, dark and horror themes are fine as stills; refuse explicit sexual content and anything sexualizing minors.

## Steps

1. Read `references/image-edit.md` for prompt structure.
2. Fill the template below from the user's description. Use the tuned defaults for anything they leave out; ask one short question only if the subject itself is unclear.
3. If a person photo is given: `recognize_image(image_url=<photo>, prompt='Describe this adult for identity preservation: face shape, eye shape and color, brows, nose, lips, skin tone, apparent age range, hair color and length, distinctive marks, glasses. One compact line.')` and add the identity clause.
4. With reference images: `generate_image(prompt=<PROMPT>, input_urls=[refs...], model='i2i.hd', orientation='portrait', aspect_ratio='3:4', name='Landmark Chalk Blueprint', entity_type='skill_generation')`; without: the same call with `model='t2i.hd'` and no `input_urls`.
5. **Self-check, one retry**: look at the result. If a person photo was used and the face no longer reads as the same person, regenerate with the identity clause first. If someone glancing at it would not instantly see the intended change (it reads as a light filter, the old clothes or background remain, or the style is faint), regenerate once with the change described bigger and more concretely.
6. Reply in one or two sentences, e.g. "All set. Your landmark chalk blueprint is on the canvas. Next I can do construction timeline." Results appear on the canvas; never paste URLs.

## Prompt templates

**PROMPT**

```text
<if photo: The same adult from the reference: <identity line>.> Intentional changes: a photographic educational infographic of <landmark: the user's named landmark> seen in clear daylight, overlaid with hand-drawn white chalk engineering diagrams: structural lines, load-path arrows, cross-section callouts and short notes, a boxed corner title with the landmark name, known measurements written as facts and uncertain ones marked 'approx.', clean hierarchy, educational illustration rather than a certified drawing. <user details and options>. Clear focal hierarchy; any text short, in quotes and spelled exactly; no real brands. Lighting and materials described concretely; composition suited to portrait 3:4. Photoreal unless the style says otherwise, fully clothed, no text unless requested.
```

Quality bar: Keep on-image text short and in quotes; no real brand names or logos; one clear focal hierarchy.

## Failure handling

- `success=false`: say what failed in one sentence; retry once only if transient; never invent links.
- The face changes: regenerate once with the identity clause first; then say so honestly.

## Examples

**Default**: the user says "this one". Use focus `structure and load paths`, ratio `3:4 default`, 3:4. Reply: "All set. Your landmark chalk bl