A configurable graphics pipeline has more than one possible process flow of pixel packets through elements of the graphics pipeline. The excellent free-flowing and stability characteristics of the final product could only be obtained when among possible other additives at least one univalent metal fatty acid salt is added to the liquid phase in the drying step and at least one multivalent metal fatty acid salt in the powder mixing step. An image of the reflections of the mark in the first mirror and the second mirror is captured with a camera.