Just downloaded this free chair from a site. It includes a lots of small parts which are parented to two empty objects. Explain me pls or give a link to tutorial how to fast assemble them or there is some other reason to use those empty objects?
The Blend file is here https://drive.google.com/drive/folders/10T8WYtvuTdY5MqHBEqumW0OGW4nwZg2W?usp=sharing