+ gimp pixel square r/GIMP - On Gimp the pencil size 3 is 3px, size 4 is also 3px but size 5 is 5px, why isn't size 4 4px as well? 226k members in the GIMP community. wono | tweet Add comment + | wono Drawing a single pixel. http://gimpchat.com/viewtopic.php?f=8&t=6473Do you want to delete? YesNo