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$ cpanm Imager
$ wget https://cpan.metacpan.org/authors/id/T/TO/TONYC/Imager-1.012.ta
+r.gz
...
$ perl Makefile.PL
$ CPATH=~/perl5/perlbrew/perls/perl-5.32.1/lib/site_perl/5.32.1/x86_64
+-linux-thread-multi/Imager/include make
$ make install

use strict;
use warnings;
...
my $im = Imager->new(xsize => 1000, ysize => 1000);
$im->filter(type => 'mandelbrot',) or die("# ", $im->errstr, $/);
$im->write(file => 'mandel1.png');