k3d/share/shaders/k3d_grids.sl:20:float G1L2_freq=6.87; 
k3d/share/shaders/k3d_grids.sl:70:G1L2_ss = repeat(G1L2_ss, G1L2_freq);
k3d/share/shaders/k3d_grids.sl:71:G1L2_tt = repeat(G1L2_tt, G1L2_freq);
