Anatomy Reveal skill

---
name: anatomy-reveal
description: Build any physical object (a product, a tool, furniture, an instrument, a shoe, a vehicle, a piece of jewellery, kitchenware, a toy, even a fruit or a flower) as a crafted isometric "anatomy" figure made of many small convex parts, then turn it into (1) an interactive dissection page you can drag, turn and take apart, and (2) a product-reveal film (MP4, 9:16, 4:5, 1:1 or 16:9, 30 fps, motion blur, white paper look, 10 s by default, any length from 3 to 60 s). The film tumbles in, whips to macro shots of the object's details, shows one feature working, explodes into its parts and snaps back together for a hero shot. Works from a photo of the object or from just its name. Use it when someone asks for an exploded view, a teardown or dissection drawing, an anatomy figure, or a product reveal or product motion video of an object.
license: MIT
compatibility: Node.js 20+, Google Chrome / Chromium / Edge (set CHROME_PATH if it is not found), ffmpeg, ImageMagick 7 (magick). Any agent that can run shell commands and write files.
---

# Anatomy Reveal

The object is never a stock 3D model or a traced picture. It is built part by part from its real dimensions, with the Anatomy kit's 3D mode (`template/kit`):
- every panel, screw, dial, glass element and board is its own convex solid;
- each part is shaded in four tones by how it faces the light;
- parts are painted in an order solved from separating planes.

Because the object is real geometry, the same model turns through any angle, comes apart, and drives both outputs.

`template/` is a complete working project. Its worked example is a dual-boiler espresso machine with a built-in grinder (82 parts), but nothing in the pipeline is specific to espresso machines: any object the user names or shows works the same way. Start every job from the template and replace the object.

Read before building:
- `references/inputs.md`: getting from a photo or a name to dimensions, features and a parts list.
- `references/objects.md`: how any kind of object comes apart, and how to build curved, organic, soft and large shapes from convex parts.
- `references/object.md`: how to build the object so it turns through every angle and comes apart cleanly.
- `references/shots.md`: the film's beats, the timeline format, eases and framing.
- `references/look.md`: the paper look, materials and line weights.

## Inputs: two cases

**A. The user uploads an image of the object.**
- Study it for silhouette, proportions, materials, colours, surface decoration, visible controls, ports and markings, and anything that moves.
- If you can tell what product it is, also look up its real dimensions and internals as in case B. Otherwise estimate the size from a feature of known size and say what you assumed.
- The image is a reference only. Rebuild every shape, colour and ornament as geometry: never trace it, embed it, or map its pixels onto anything.

**B. The user only names the object.**
- Research the real product:
  - overall dimensions in millimetres, and the main sub-dimensions;
  - materials and colourways;
  - every visible control, port and marking;
  - how it opens, folds, slides or turns;
  - what is inside (teardowns are the best source).
- Use web search when you have it. Without it, use what you know and list your assumptions.
- If the name is ambiguous (a model family, several generations), pick the most common variant and say which.

Either way, finish with a short spec before any geometry: the dimensions, the feature list, the parts list grouped by assembly, and the one or two features that will move in the film. Show it to the user if anything is uncertain.

## Workflow