use use $fa = 12; // default is 12 $fs = 0.5; // default is 2 t = 2; tol = 1; base_socket = [3/2+2.3+2*t+tol,3/2+2.1+2.7+t+tol]; dx = [28.9,0]; dy = [0,58.1]; dim = [ base_socket[0] + dx[0] + 3/2 + 4 + 2*t + tol, base_socket[1] + dy[1] + 3/2 + 2 + 0.9 + 6 + t + tol, 39 // TODO ]; h = 10; // TODO