I can’t seem to get photo match to scale properly. Importing the photo seems to work OK - I was careful to make sure the camera was level when taking the picture, and I tried with both my iPhone camera and a DSLR. Lining up the vanishing bars goes OK. Then I scale the photo to a known dimension - I tried the vertical, horizontal, and diagonal on the window in the attached file. I used the tape measure CTL-click-click method to scale the photo. House back.skp (2.1 MB)
The problem is when I start drawing the walls. I have the known dimensions of the wall section on the left back of the house. When I draw a wall of those dimensions, it’s way off from the photo. Not by a little, but a lot. It doesn’t match the photo at all.