AI ending interior design Nano banana 2 now can turn sketch floor plan into 4K 3D rendering with accurate dimension, take photos for each room, and 1-click furniture change used to cost $100k and months.. now cents and mins step by step tutorial on OpenArt:

nano banana 2's understanding of dimension and 3D space is so crazy now, its like a personal designer in your pocket step 1: go to -> edit image -> select nano banana 2 -> upload floor plan -> type prompt (reply here if you want my prompt)

step 2: take realistic photo - living room highlight the room that you want to take photo, draw a camera to let AI know the camera angle, upload it as ref image and use prompt below prompt: realistic interior render of a modern wooden cabin living room, viewed from the camera position located near the wall beside the wood stove, looking at the room toward the kitchen/entry side The layout and furniture placement must match the floor plan precisely

step 3: take realistic photo - kitchen prompt: Ultra-realistic interior render of a small modern wooden cabin kitchen, viewed from kitchen entry area, looking towards the sink side as indicated in the floor plan. The layout and furniture placement must match the floor plan precisely

step 4: change furnitures upload both the living room photo and your sofa as ref image and prompt 'change the sofa' you can also highlight certain area to make precise edit

step 5: make video use the living room and kitchen photo as start and end frame to generate video