30ml Intense Sienna – The Inks The new AK inks belong to a generation of acrylic inks made to meet the requirements of figure modelers. They are formulated with high quality pigments for unique gloss, saturation and vibrancy. The polymers and additives used allow for perfect pigment cohesion, improving resistance and drying compared to any other ink on the market. Combine the inks with acrylic paints for more powerful shades and vibrant colors.