I will show you how I restored a chair from the USSR by my own. It turned out to be a very light, stable and soft chair. Restored chair of grandfather chair, or grandfather's armchair.
I also took measurements of the chair and converted them into electronic form. You can see them in my article on Yandex Zen, there are links to the file of the Corel Draw program and a link to pictures with dimensions.
https://zen.yandex.ru/media/id/5e3060...

Enjoy watching my dears)

This is if you are a rich man and want to help me with money for the machines:
https://yasobe.ru/na/na_stanok_dlya_m...