set n->atom_r_ratio 0.5
set n->bond_mode 1
resize 800 600
shift_xtal 0 0
rcut_patch start Si Si
rcut_patch_inc
rcut_patch_inc
rcut_patch_inc
rcut_patch finish
redraw
set key->BackSpace+C load_config_first
set key->BackSpace load_config_backward
xtal_origin_goto 0.5 0.5 0.5
