NSCALE,<n1>,<n2>,[<inc>],[<sfx>],[<sfy>],[<sfz>]

scales the coordinates of the nodes between <n1> and <n2> with step <inc> (default: 1) by the scaling factors <sfx>, <sfy>, <sfz> (if one of the scaling factors is 0.0, it will be set to 1.0).