"A palette knife is a blunt tool used for mixing or applying paint, with a flexible steel blade. It is primarily used for mixing paint colors, paste, etc., or for marbling, decorative endpapers, etc." - Wikipedia
-Also known as painter's trowels.
-Release your inner Bob Ross.
-Each knife comes in a plain version and a supported version.
-It's parametric! OpenSCAD file included, in case you want to adjust dimensions.