class Categories(MPTTModel):
    parent = TreeForeignKey(u'self', verbose_name=u'Категория', blank=True, null=True, related_name=u'children')
    title = models.CharField(max_length=128)

 {% full_tree_for_model products.Categories as nodes %}
    {% for node,structure in nodes|tree_info %}
        {% if structure.new_level %}
        <dl class="item">
            <dt class="name"><a href="javascript:void(0)">
        {% else %}
            <dd class="cate">
                <dl>
                    <dt>
                    <a href="{{ node.url }}">
        {% endif %}
            {{ node.title }}
        {% for level in structure.closed_levels %}
                    </a>
                </dd>
            </dt>
        </dl>
        {% endfor %}
    {% endfor %}