In the latest 1.6 version I've noticed for some of my models when generating mesh using depth maps on high, it tends to produce small vertical and horizontal line in the mesh. They can be smoothed out somewhat.
If you imagine an actual checker board, the white and black pairs of squares are slightly different heights, so for a given square, the one diagonally opposite has the same height.
+ What is a good way to attach the project files here?