https://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/Texture_Normal_Mapping
纹理法线贴图

新建材质.Diffuse颜色适当调暗些.

新建纹理,纹理类型Type:{Musgrave马氏分形}
{Musgrave马氏分形}面板,马氏分形类型Type:{Multifratal多重分形}
Dimenasi:0.5
Lacunari:3
Octaves:2
Intensity:0.45
Noise: Basis:Voronoi F2
Size:0.1
Nabla:0.03

{Mapping映射}面板
{坐标Coordinates}:{生成Generated}

{Influence影响}面板
慢射Diffuse\取消勾选{颜色Color},或者将数值调底到0.2;
几何体Geometry\勾选{法线Normal}:1