cube.init

# Define the coordinates of 3D points used to compute the pose
# after the user click on their corresponding location in the image 
4                    # We define 4 3D points
 0.000  0.000  0.000 # First 3D point
 0.000  0.000  0.042
-0.042  0.000  0.042
-0.042  0.042  0.042 # Last 3D point