Change to horizontal strips
Also note that when using uvs bottom left of image is (0, 0) and top right (1, 1), ie v is measured vertically UPWARDS. Not as in the image in your first post.
Change to horizontal strips
Also note that when using uvs bottom left of image is (0, 0) and top right (1, 1), ie v is measured vertically UPWARDS. Not as in the image in your first post.