import os
import cv2
import numpy as np

filename_img="img"
#executable_openscad="openscad"
executable_openscad="D:\openscad-2021.01\openscad.exe"

chaine=f'{executable_openscad} -o {filename_img}.png --imgsize=1024,768 --camera=230,340,500,0,0,0 --projection=p rubiks.scad'
os.system(chaine)