It is best to draw four facades, so that the walls can be set according to the size of tiles. This loss is completely certain.

The ground can be 300*600. 300*450 is more reasonable-

The 800*800 bricks in the living room are also suggested to be painted on the CAD facade. If there is half a brick, we can see if it can be converted. Generally, the loss of 800*800 is greater than that of small area bricks-

The toilet now uses an integrated ceiling-a little brighter is better. If you have a Yuba, you can lower the brightness.