Why Are We Shaping A Square Wedge Tablet To Ogee Shape? Simply because it arrived in the wrong shape. Stencil is applied with the shape required The sections of the memorial cut away with a diamond blade on an angle grinder. The diamond barrel tool allows for the curved shape to be easily made. The memorial now set up to be polished. Edge now polished and ready to be washed down. Finished memorial all ready to be fitted.