Item Brush
Brush is an item for painting on a Canvas Block.
Brush is not stack-able, and has a durability of 240.
Make sure there's at least one Palette Item in your inventory, and right click on a Canvas Block with Brush in hand. The current color on the Palette will be drawn onto the Canvas Block.
Brush is a blending brush that draws a 3x3 area, but only the center get fully blended by the color on the Palette. The 4 pixels on the sides have 3/4 of the original transparency, and the 4 pixels on the side have only half of the transparency.
Brush is crafted with a stick, a red rose dye, and 3 wools.