Japanese Joinery Diagram

Stable Diffusion

By Varun Sharma Tested with Stable Diffusion SDXL 1.0 Jul 28, 2026

Japanese Joinery Diagram is an SDXL 1.0 prompt for a woodworking teaching sheet at 4:5. It describes a through mortise-and-tenon by its actual geometry — a square hole through the post, a matching tongue on the beam — across three assembly states.

Last tested: July 2026 with Stable Diffusion SDXL 1.0

Part of the Stable Diffusion prompt library · see more flat design prompts .

Remix in builder

Flat vector diagram of a Japanese timber joint shown apart, partly engaged and fully seated — Japanese Joinery Diagram — Stable Diffusion SDXL 1.0, Aspect ratio 4:5

Commercial use included

Prompt

A clean flat vector diagram of a through mortise-and-tenon timber joint shown as a left-to-right assembly sequence in three panels, in every panel the upright post has a square hole cut clean through it near the top and the horizontal beam has a square tongue projecting from its end that is exactly the size of that hole, on the left the beam is held well clear of the post with the projecting tongue and the open hole both plainly visible, in the centre the tongue is pushed halfway into the hole with a wide gap still open between the beam shoulder and the face of the post, on the right the tongue is driven fully home so the beam shoulder meets the post face and the tip of the tongue emerges from the far side of the post, all three drawn in matching isometric projection at identical scale, warm timber tones with every sawn end-grain face a shade darker than the long grain, thin even outlines, a separate blank caption strip beneath each of the three panels, a plain empty band across the top, no text, no letters, no numbers

Negative prompt

blurry, low quality, photorealistic wood, perspective distortion, text, letters, numbers, cluttered detail, cast shadows, gradients, hidden joint faces, exploded parts flying apart

Settings

Model: Stable Diffusion SDXL 1.0
Aspect ratio: 4:5
Steps: 30
CFG scale: 6.5
Sampler: DPM++ 2M Karras

How to use this prompt

Two separate things have to be spelled out, and both were learned the hard way. Naming a style — "a traditional Japanese timber joint" — gives the model nothing to cut, and it returns plain squared posts with no joinery on them at all; you have to describe the actual geometry, here a square hole through the post and a matching square tongue on the beam. Describing the sequence panel by panel and quantifying the gap in each is what stops all three states rendering identically. Repeat the geometry inside every panel description too, or the cut quietly vanishes from the panels you did not restate it in.

Variations to try

Show a different joint family — a through dovetail or a kanawa splice — in the same three states
Add a fourth panel with the joint under load and thin arrows indicating the direction of force

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What to do next

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Open this prompt in the Stable Diffusion builder, pre-filled, and change one layer at a time.

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For developers — copy this prompt as JSON

{
  "title": "Japanese Joinery Diagram",
  "prompt": "A clean flat vector diagram of a through mortise-and-tenon timber joint shown as a left-to-right assembly sequence in three panels, in every panel the upright post has a square hole cut clean through it near the top and the horizontal beam has a square tongue projecting from its end that is exactly the size of that hole, on the left the beam is held well clear of the post with the projecting tongue and the open hole both plainly visible, in the centre the tongue is pushed halfway into the hole with a wide gap still open between the beam shoulder and the face of the post, on the right the tongue is driven fully home so the beam shoulder meets the post face and the tip of the tongue emerges from the far side of the post, all three drawn in matching isometric projection at identical scale, warm timber tones with every sawn end-grain face a shade darker than the long grain, thin even outlines, a separate blank caption strip beneath each of the three panels, a plain empty band across the top, no text, no letters, no numbers",
  "negative_prompt": "blurry, low quality, photorealistic wood, perspective distortion, text, letters, numbers, cluttered detail, cast shadows, gradients, hidden joint faces, exploded parts flying apart",
  "model": "Stable Diffusion",
  "model_version": "SDXL 1.0",
  "settings": {
    "aspect_ratio": "4:5",
    "steps": 30,
    "cfg": 6.5,
    "sampler": "DPM++ 2M Karras"
  },
  "style_tags": [
    "flat-design",
    "minimalist"
  ],
  "use_case_tags": [
    "infographics",
    "illustration"
  ],
  "source_url": "https://promptkoi.com/prompts/stable-diffusion/japanese-joinery-diagram/"
}

The whole library is available as an open JSON dataset · developer docs.