firstly, this stool's joint looks very stable. It will me very safe. Also, I can see that the surface is a bit round. I think this will make it comfortable for the user. One thing this stool lacks is that there are no handles to carry the stool.
Electron Chair by LOCK is a new concept in flat-pack furniture. The chair combines art design, ergonomics, innovative engineering and puzzle structure. The Electron Chair is not just a typical chair, but a functional sculpture.