Hi. This forum is great. I'm having a problem visualizing a zonotope with jReality, which I define as follows: polytope > $zm= new Matrix<Rational>([[0,1,-1,0,0,1,0,-1,0],[0,1,-1,0,0,0,1,0,-1],[0,0,0,1,-1,1,0,-1,0],[0,0,0,1,-1,0,1,0,-1]]) polytope > $zv=zonotope($zm) polytope > print $zv; 1 2 -2 2 -...