type string The object type. Always "part_list" .
id string Unique identifier of this result.
dieline_template_id string The identifier of the template the parts were calculated for — for example "becf-11a02" .
total integer The number of parts returned. 1 for a simple dieline; one per part for a multi-part dieline.
parts array An array of part objects, one per part. A simple box returns a single entry with name "default". Each part carries its own bounding_box, and — when area is requested — its own area.