Noisy Sphere Material Pattern
Example of the output rendererd from the camera with lighting - the surface of the sphere is covered with a textured noise pattern.
import bpy# Clear the scene bpy . ops . object . select_all ( action = 'SELECT' ) bpy . ops . object . delete ( use_global = False ) # Add a UV Sphere bpy . ops . mesh . primitive_uv_sphere_add ( radius = 1 , location =( 0 , 0 , 0 )) sphere = bpy . context . object # Create a new material with a procedural noise texture mat = bpy . data . materials .new( name = "NoiseMaterial" ) mat . use_nodes = True = mat . node_tree . nodes = mat . node_tree . links # Clear default nodes nodes . clear () # Create nodes output_node = nodes .new( type = 'ShaderNodeOutputMaterial' ) principled_bsdf = nodes .new( type = 'ShaderNodeBsdfPrincipled' ) noise_texture = nodes .new( type = 'ShaderNodeTexNoise' ) mapping = nodes .new( type = 'ShaderNodeMapping' ) tex_coord = nodes .new( type = 'ShaderNodeTexCoord' ) # Position nodes (for clarity in Shader Editor) output_node . location = ( 400 , 0 ) principled_bsdf . location = ( 200 , 0 ) noise_texture . location = ( 0 , 200 ) mapping . location = (- 200 , 200 ) tex_coord . location = (- 400 , 200 ) # Connect nodes links .new( principled_bsdf . outputs [ 'BSDF' ], output_node . inputs [ 'Surface' ]) links .new( noise_texture . outputs [ 'Color' ], principled_bsdf . inputs [ 'Base Color' ]) links .new( mapping . outputs [ 'Vector' ], noise_texture . inputs [ 'Vector' ]) links .new( tex_coord . outputs [ 'Generated' ], mapping . inputs [ 'Vector' ]) # Randomize noise seed and scale noise_texture . inputs [ 'Scale' ]. default_value = random . uniform ( 2.0 , 10.0 ) noise_texture . inputs [ 'Detail' ]. default_value = 5.0 . inputs [ 'Roughness' ]. default_value = 0.5 . noise_dimensions = '3D' # Assign material to sphere sphere . data . materials . append ( mat ) # Add a camera bpy . ops . object . camera_add ( location =( 0 , - 5 , 2 ), rotation =( 1.2 , 0 , 0 )) camera = bpy . context . object . context . scene . camera = camera # Add a light bpy . ops . object . light_add ( type = 'AREA' , location =( 4 , - 4 , 6 )) light = bpy . context . object . data . energy = 1000 . rotation_euler = ( 1 , 0 , 0.8 )
