This is a quatrefoil Venetian tile pattern stencil. This wallpaper design has been very popular, An enlarged quatrefoil is #3641 and the opening is 5"H x 5"W. Drawing from Venetian architecture, the quatrefoil Venetian tile pattern design is a welcome, and classic addition to any room. STENCIL SIZE: 21.5" H x 21.2" W with each clover measuring 2.5" H x 2.5" W APPLICATIONS: Our wall and home décor stencils are great for use with acrylic paints, plaster, rollers, brushes, trowels, airbrush guns, sponges, or spray paints. Our stencils work best when used on a clean, flat surface such as walls, wood, canvas, signs, furniture, floors, ceilings, doors, tiles, paper, or cement. PRO TIPS: Registration marks are found on many of our wall and home décor stencils. They help line up repeat patterns, or multiple overlay designs. ABOUT US: Designer Stencils has been making high quality wall and home décor stencils for over 40 years. Our designers continually find new inspirational stencil designs to add to our growing collection. From all over patterns to botanical and even lettering, we have the stencils you need for any project.