baoshi-was/database/seeds/TerminalPrinterSeeder.php

<?php

use Illuminate\Database\Seeder;

class TerminalPrinterSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        factory(\App\TerminalPrinter::class)->times(30)->create();
    }
}