11-26-2018, 09:36 AM
Use the Rotate tool in corrective mode. Align the grid to "parallel" a vertical or horizontal reference. Plenty there in a scan of a newspaper https://i.imgur.com/qMac4Na.jpg
Then crop to suit: https://i.imgur.com/aYsHSH5.jpg
Then crop to suit: https://i.imgur.com/aYsHSH5.jpg