Furniture design

Inspired by iconic Pringles hyperbolic paraboloid – this chair is more than meets the eye

Roi B’s T-Cord Chair made out of tension cords and a steel pipe welded together with rounded pieces, creates a warm organic feeling.

A skillful welder brilliantly designing one-of-a-kind pieces of furniture in Germany – Roi B crafts a ‘T-Cord Chair’ from 56 tension cords and a 60mm steel pipe welded together with rounded pieces to create a warm organic feeling.

Harmoniously blending together his innate love for art and deep knowledge about metal led him to – seamlessly fabricate conceptual design objects by hand.

Limited to 10 chairs – the vibrant green tension cords of this eclectic product are stretched by applying the famous principle of hyperbolic paraboloid. 

T-Cord Chair by Roi B
© Roi B

“I was inspired by Pringles to create a similar curve. This is why crunchy Pringles chips don’t crack with all the other ones stacked on top of it” says Roi B.

The iconic Pringles hyperbolic paraboloid form is more than just a geometrical statement.

In the world of geometry – this shape is a quadratic and doubly-ruled surface that has exactly one axis of symmetry.

Often referred to as saddles – its name is derived from the fact that the vertical cross-sections are parabolas and horizontal cross-section, on the other hand, are hyperbolas. 

Relatively easy to construct using a series of straight structural elements – this concept is widely exploited in structural design and architecture.

“I absolutely love blowing minds with a product that is undeniably high in quality and comfortable at the same time as well” Roi B adds. 

© Roi B
© Roi B


Open full width