- Load FZK-Haus
- Double tap screen to set the floor level to 0.
- Tap a wall.
- Select the option to modify the wall.
- Select the option to match the wall with a physical wall.
- Move the camera left and right across the physical wall until the app displays a red vertical plane in its position.
- Tap the red vertical plane and note how the app aligns the wall selected in the model with the physical wall.