#!/usr/bin/env perl

use strict;
use warnings;

my $fmt = "%-11s % 12.6f % 12.6f %s\n% 24.6f % 12.6f %s\n";

while (<DATA>) {
    my @cols = split;
    $_ = <DATA>;
    push @cols, split;
    printf $fmt, @cols;
}

__DATA__
MM_STD_gate -61.771653             -45.472441      mils
  -1569.000000           -1155.000000       microns
RFN_a                    -91.102362              68.307087      mils
                    -2314.000000            1735.000000       microns
RFN_b                    -62.165354              68.307087      mils
-1579.000000            1735.000000      microns
RFN_c                    -51.417322              68.307087      mils
                              -1306.000000            1735.000000       microns