The main difference between it and the Paintbrush is that although both use the same type of brush, the pencil tool will not produce fuzzy edges. The Pencil tool is used to draw freehand lines with a hard edge. Gimp has a wide range of paint tools The most commonly used in creating repeats for knit design are Pencil, Paintbrush, and Bucket Fill. We’re working on that, please check back later.” According to the software download site for Mac “the currently available package provides GIMP 2.10.22 and has not yet updated to the latest version, GIMP 2.10.24. There are slight variations in behaviors depending on the Mac OS version. I have been spending more time exploring version 10.22 and am becoming more familiar with new features and design options. The previous post on this topic: 7/gimp-update-for-mac/ Pintucks, ripples, Ruched Manual Pull-ups.