import bpy
import bmesh
import math

def makeTile(name, x0,y0, coords, thickness, mat):
    

    scales = ( 1, 0.8, 0.7)
    zs = (0, thickness, thickness)

    nu = len(coords)
    nv = len(scales)

    verts = []
    faces = []

    for v in range(nv):
        for u in range(nu):
            x = coords[u][0] * scales[v]
            y = coords[u][1] * scales[v]
            z = zs[v]
            verts.append( [x,y,z] )

            if (v+1 < nv):
                v0 = u + v*nu
                u1 = (u+1)%nu
                v1 = u1 + v*nu
                v2 = v0+nu
                v3 = v1+nu
                faces.append( [v0,v1, v3,v2] )

    f2 = []
    for u in range(nu):
        f2.append( u + (nv-1)*nu)
    faces.append(f2)

    mesh  = bpy.data.meshes.new(name)
    mesh.from_pydata(verts, [], faces)

    #

    mesh.materials.append(mat)

    #

    obj = bpy.data.objects.new(name, mesh)
    obj.location=(x0,y0,0)

    #

    mod = obj.modifiers.new("roundy", "SUBSURF")
    mod.levels=2
    mod.render_levels=4

    #

    bm = bmesh.new()
    bm.from_mesh(mesh)
    cr = bm.edges.layers.crease.active
    if cr is None:
        cr = bm.edges.layers.crease.new()
    for e in bm.edges:
        i1 = e.verts[0].index
        i2 = e.verts[1].index
        if (i1 < nu and i2<nu # outside edge ring
            or abs(i2-i1)==nu # inter-ring edges
            or math.floor(i2/nu) == nv-1 and math.floor(i1/nu)==nv-1): # next-to-last ring
            print( "crease %d,%d" %(e.verts[0].index, e.verts[1].index) )
            e[cr] = 1

    bm.to_mesh(mesh)

    bpy.context.scene.objects.link(obj)

    return obj

#
#

thickness = 0.2

mat = bpy.data.materials[0]

makeTile("science", -15.74745679709348,-0.4606170470102633, [
        (1.768304689396432,-3.031247732542071), 
        (2.183217951748338,-0.797683011601334), 
        (2.3986194510274927,1.825145492744447), 
        (1.8806814533957539,2.299295081858279), 
        (-3.113111468761204,-1.879233791115971), 
        (-3.925333035436239,-2.8069322074180505), 
        (-3.1231678138802508,-3.2260911215115047), 
        (1.1437476334384193,-3.284721904235564), 
        (1.768304689396432,-3.03124773254207), 
        ] , thickness, mat)
makeTile("superstition", 13.980640184908879,2.7826284960035927, [
        (0.48352592071769607,-2.827132010369648), 
        (1.0205046757670893,1.1829375379236327), 
        (-1.505914511659931,1.538112182229531), 
        (-1.3148451990803327,-1.6767640040230187), 
        (0.4835259207176925,-2.827132010369649), 
        ] , thickness, mat)