I’ve seen quartz fracture into almost perfect facets. Those sharp outlines in toon shading echo that geometry, but if you blur them the piece feels like a toy. In reality the light refracts across each plane, creating subtle variations that a flat line can’t capture. When I was in the alpine gorge, the light danced over the veins in a way that a single line never could. Keep the angles exact and remember the depth of light – precision is key.