Octagonal toolbox. By Pask Makes. 17:31 video:
https://www.youtube.com/watch?v=WFhK3Tff3Do
Previously:
https://www.homemadetools.net/forum/...198#post169029
https://www.homemadetools.net/forum/...342#post161705
https://www.homemadetools.net/forum/...880#post152610
