Everything Changing the Pencil Preset Display You can display your preset list as thumbnails or a list. How to change the way presets are previewed in the Tool Properties view In the Tool Properties view, open the Brush Presets menu. Select one of the following options: Small Thumbnail: Displays presets in a grid of small thumbnails with a preview of their tip. Large Thumbnail: Displays presets in a grid of big thumbnails, with their name and a preview of their tip. Stroke View: Displays presets in a list, with their name and a preview of a stroke done with each preset.