From BlenderWiki
Geometry
here we will cover creating geometry. for now, here's some example code:
import bpy # Define the coordinates of the vertices. Each vertex is defined by 3 consecutive floats. coords=[(-1.0, -1.0, -1.0), (1.0, -1.0, -1.0), (1.0, 1.0 ,-1.0), \ (-1.0, 1.0,-1.0), (0.0, 0.0, 1.0)] # Define the faces by index numbers. Each faces is defined by 4 consecutive integers. # For triangles you need to repeat the first vertex also in the fourth position. faces=[ (2,1,0,3), (0,1,4,0), (1,2,4,1), (2,3,4,2), (3,0,4,3)] me = bpy.data.meshes.new("PyramidMesh") # create a new mesh ob = bpy.data.objects.new("Pyramid", me) # create an object with that mesh ob.location = bpy.context.scene.cursor_location # position object at 3d-cursor bpy.context.scene.objects.link(ob) # Link object to scene # Fill the mesh with verts, edges, faces me.from_pydata(coords,[],faces) # edges or faces should be [], or you ask for problems me.update(calc_edges=True) # Update mesh with new data
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