From lifelike eyes and butterflies to optical illusions that trick the mind, these tattoos require exceptional skill, particularly in shading techniques, to achieve their signature depth and realism.

Phong shading is more realistic than Gouraud shading, but requires more computation. It does not produce shadows or reflections. The surface normals at the triangle's points are used to compute a ...

Experiment with different shading techniques, such as hatching, cross-hatching, and stippling, to add dimension to your ...