Heute beendeten wir die Arbeit an dem stl-Format-Projekt; der Code funktioniert nun. Der aktuelle Code lautet so:

# -*- coding: utf-8 -*-
from __future__ import division
from __future__ import print_function
#from visual import *
import numpy as np
import stl
from stl import mesh
from matplotlib import pyplot
 
 
# def erstelle_vertices(x):
#     for n in x:
#         while l < 8:
#             vertices[n] = np.array([x[n][l]])
#             l += 1
#     return vertices[2]        
 
# Listen von je drei Punkten, aus denen ein Dreieck gemacht werden soll
faces = np.array([[4,6,7],
                  [5,4,6],
                  [5,6,2],
                  [5,2,6],
                  [3,0,7],
                  [0,7,4],
                  [0,1,2],
                  [0,2,3],
                  [2,3,6],
                  [3,6,7],
                  [0,1,4],
                  [1,4,5]])
 
def eckpunkte_to_cube(liste, faces):
    for n, vertices in enumerate(liste):
        cube = mesh.Mesh(np.zeros(faces.shape[0], dtype=mesh.Mesh.dtype))
        for i, f in enumerate(faces):
            for j in range(3):
                print (i,j,f[j], type(f[j]), cube.vectors)
                cube.vectors[i][j] = vertices[int(f[j])]
 
        cube.save('cube'+str(n)+'.stl')
 
 
 
raum = [
    [(5.0, -1.5, -2.35), (5.0, -1.5, -2.65), (-5.0, -1.5, -2.65), (-5.0, -1.5, -2.35), (5.0, 1.5, -2.35), (5.0, 1.5, -2.65), (-5.0, 1.5, -2.65),(-5.0, 1.5, -2.35)],
    [(5.0, -1.5, 2.65), (5.0, -1.5, 2.35), (-5.0, -1.5, 2.35), (-5.0, -1.5, 2.65), (5.0, 1.5, 2.65), (5.0, 1.5, 2.35), (-5.0, 1.5, 2.35), (-5.0, 1.5, 2.65)],
    [(-4.561538461538461, -1.5, -1.9115384615384619), (-4.561538461538461, -1.5, -2.2115384615384617), (-5.438461538461539, -1.5, -2.2115384615384617), (-5.438461538461539, -1.5, -1.9115384615384619), (-4.561538461538461, 1.5, -1.9115384615384619),(-4.561538461538461, 1.5, -2.2115384615384617), (-5.438461538461539, 1.5, -2.2115384615384617), (-5.438461538461539, 1.5, -1.9115384615384619)],
    [(-4.4, -0.5, -0.8730769230769234), (-4.4, -0.5, -1.1730769230769234), (-5.6, -0.5, -1.1730769230769234), (-5.6, -0.5, -0.8730769230769234), (-4.4, 2.5, -0.8730769230769234), (-4.4, 2.5, -1.1730769230769234), (-5.6, 2.5, -1.1730769230769234), (-5.6, 2.5, -0.8730769230769234)],
    [(-3.5384615384615383, -1.5, 1.1884615384615378), (-3.5384615384615383, -1.5, 0.8884615384615379), (-6.461538461538462, -1.5, 0.8884615384615379), (-6.461538461538462, -1.5, 1.1884615384615378), (-3.5384615384615383, 1.5, 1.1884615384615378), (-3.5384615384615383, 1.5, 0.8884615384615379), (-6.461538461538462, 1.5, 0.8884615384615379), (-6.461538461538462, 1.5, 1.1884615384615378)],
    [(6.0, -1.5, -1.35), (6.0, -1.5, -1.65), (4.0, -1.5, -1.65), (4.0, -1.5, -1.35), (6.0, 1.5, -1.35), (6.0, 1.5, -1.65), (4.0, 1.5, -1.65), (4.0,1.5, -1.35)],
    [(5.5, -2.5, 0.15), (5.5, -2.5, -0.15), (4.5, -2.5, -0.15), (4.5, -2.5, 0.15), (5.5, 0.5, 0.15), (5.5, 0.5, -0.15), (4.5, 0.5, -0.15), (4.5, 0.5, 0.15)],
    [(6.0, -1.5, 1.65), (6.0, -1.5, 1.35), (4.0, -1.5, 1.35), (4.0, -1.5, 1.65), (6.0, 1.5, 1.65), (6.0, 1.5, 1.35), (4.0, 1.5, 1.35), (4.0, 1.5, 1.65)],
    [(5.5, -0.5, 0.15), (5.5, -0.5, -0.15), (4.5, -0.5, -0.15), (4.5, -0.5, 0.15), (5.5, 2.5, 0.15), (5.5, 2.5, -0.15), (4.5, 2.5, -0.15), (4.5, 2.5, 0.15)]
    ]
 
if __name__ == "__main__":
    eckpunkte_to_cube(raum,faces)