{# Construct the category path #}
{% for path_item in category.path %}
<a href="../{{ path_item.pk }}">{{ path_item.name }}</a>/
{% endfor %}

{{ category.name }}
{% endfor %}

<br>
<br>
Parts:
<br>

{% for part in category.part_set.all %}
<a href="/part/{{ part.pk }}">{{ part.name }}</a><br>
{% endfor %}