How to create a floorplan in home assistant is actually very easy. Follow this blog serie to create your own floorplan in 3D for your smart home.
3D Floor Plans
Getting Started with Home Assistant and Node-RED — Mike Hillyer's Personal Webspace
Home Assistant - Wikipedia
Picture elements card - Home Assistant
Floorplan for Home Assistant - #769 by Jeff_VoVillia - Floorplan - Home Assistant Community
Home Assistant Picture-Elements 3D Floorplan every step * 2021
Mushroom Cards - Build a beautiful dashboard easily 🍄 (Part 1) - Share your Projects! - Home Assistant Community
Automate your Internet Usage with Home Assistant and Unifi
Creating our Floorplan or animated Plano home in Home Assistant
How to create a floorplan in home assistant - part 1 - The Home Automation Blog