This is a unique chair designed by Semen Lavdanskiy. Just as the name suggest, you can move (rotate) the “ribs” part of this chair around the ridge section. This provides you with an ergonomic seating sensation that allows you to sit comfortably on it. More description by Semen Lavdanskiy:

The chair is made of plywood and has a custom ergonomic scheme.Due to the fact that each lamella is rotated around the axis of the central ridge man constantly changes position,which is beneficial to health.

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