ldc-theme-default/theme.config.php

<?php

return [
    'name' => 'base',
    'models' => [
        'products' => [
            'picture_max_width' => 550,
            'picture_max_height' => 550,
        ],
        'ranges' => [
            'picture_max_width' => 476,
            'picture_max_height' => 355,
        ],
    ],
];