Melleco Artists Viewfinder for Painting Sculpting Drawing Sketching Painter Tool Aid Viewfinder - capture your perfect composition. The Viewfinder is a classic handy tool for framing the subject of your artwork as you plan the composition of your piece. Size of the large one: 16cm x 10cm Size of the small one: 10cm x 8cm It features 2 sized viewfinders with different lines 'directions printed for your view structures. This easy to use slim tool will perfectly slot into your artists' tool kit.