The project's README from github.com/Mastershort/neonplan3d. As one markdown file: README.md.
by Mastershort – draw your home right inside Home Assistant and control it in a neon 3D view: lights glow in their colours, blinds move, doors and windows open, cameras watch, and the TV shows what is playing. No external tools, no cloud, made for wall tablets.
▶️ Try the online demo – right in your browser, with invented demo data: turn the house, switch lights, open the editor. Nothing to install.
📖 Manual: English · Deutsch (also in this repository: manual.md, anleitung.md)
![]() |
Plan editor in Home Assistant – floors, rooms as rectangles or free shapes, automatic walls and free-standing partitions, doors, windows, garage doors, stairs and floor openings, outdoor areas and a roof. The 3D view runs next to the plan while you draw. |
![]() |
Live 3D view – tap a lamp to switch it, swipe to dim, long press for colours; blinds follow their position, windows tilt and open, doors swing. A room panel lists everything of the room's area. |
![]() |
Furniture and lamps – 40 built-in models plus furniture packs. Lamps light their room in their own colour, TVs, washing machines and radiators glow while they run. |
![]() |
Cameras – mounted on walls or ceilings with their field of view on the floor, red while they see motion; a tap shows the snapshot. |
![]() |
Wall tablet ready – warnings for smoke, gas, water, alarm and windows open in the rain, a kiosk mode with idle return and night dimming, scene buttons, and a Tablet quality level for Fire tablets. |
![]() |
Dashboard card – custom:neonplan3d-card with a visual editor, loaded automatically. |
Also included: parking spots with vehicles that appear while a car is home, a heatmap for temperature, humidity and CO₂, sunlight through the windows from sun.sun, three looks (Neon, Blueprint, Day), a search, restore points, and a full backup of plan, pictures and packs.
The integration and everything above are free and open source (MIT). Optional extras are sold at mastershort.de and install from the Extensions tab:
Bought packs are signed for your installation and update by themselves once a day. Everything installed keeps working without the shop.
Click the button above, or in HACS: ⋮ → Custom repositories → add https://github.com/Mastershort/neonplan3d as Integration.
Install NeonPlan 3D and restart Home Assistant.
Add the integration:
or Settings → Devices & services → Add integration → NeonPlan 3D.
Open NeonPlan 3D in the sidebar, switch to Editor and draw your first floor.
Copy custom_components/neonplan3d into config/custom_components/ and restart Home Assistant.
Requires Home Assistant 2025.1 or newer.
All options can be set in the card's visual editor; in YAML:
type: custom:neonplan3d-card
floor: floor_ab12cd34 # optional: show a single floor (id from the editor)
height: 420 # optional: height in pixels
fill: false # optional: fill the screen below the dashboard header instead of a height
walls: auto # optional: auto | cut
explode: true # optional: pull floors apart in the house view
floor_stack: dim # optional: floors below an opened floor: dim | stacked | single
quality: auto # optional: auto | low | high
theme: neon # optional: neon | blueprint | day
markers: important # optional: none | important | all
heatmap: none # optional: none | temperature | humidity | co2
room_panel: true # optional: tapping a room opens its details
room_names: true # optional: room names in 3D
controls: true # optional: switches in the card, or a list of walls, floors, temperature, humidity, co2
floor_thumbs: true # optional: floor pictures to switch floors
fullscreen_button: false
stats: false # optional: performance display
alerts: true # optional: smoke, gas, CO, water, alarm and windows open in the rain pulse
alert_jump: false # optional: jump to the room of a new warning
scenes: true # optional: scene and script buttons of the selected room
motion_trail: false # optional: motion of the last 30 minutes (Pro: camera cockpit)
weather: true # optional: weather outside (Pro: weather)
weather_entity: weather.home # optional: which weather entity (default: as set in the plan)
idle_return: 0 # optional: kiosk – seconds without a touch until the start view returns
night: "off" # optional: kiosk – dim at night: off | sun | "22:00-06:00"
idle_orbit: false # optional: kiosk – slow camera turn after the idle return
NeonPlan 3D stores the plan, its pictures and the packs in Home Assistant's .storage. It talks to the internet only when you enter a licence key in Extensions: then it asks mastershort.de once a day for updates of your packs, sending the key and an anonymous installation fingerprint (a hash).
cd frontend
npm install
npm test # pure logic
npm run typecheck
npm run build # writes the bundles to custom_components/neonplan3d/frontend (committed)
npm run screenshot # renders preview/index.html (invented demo data) with a local Chrome or Edge
preview/index.html through any local web server.deploy.local.json with {"target": "<config>/custom_components/neonplan3d"} and run npm run deploy in frontend/.pytest-homeassistant-custom-component.MIT – see LICENSE. Furniture packs and Pro add-ons sold in the shop are not part of this repository.
NeonPlan 3D ist kostenlos. Wenn es dir gefällt, freue ich mich über einen Kaffee ☕ – oder schau dir die Möbel-Packs im Shop an: https://mastershort.de/neonplan3d/ NeonPlan 3D is free. If you like it, you can buy me a coffee or check out the furniture packs.