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Ydin Stool Kruk by Franck Divay

Ydin Stool Kruk by Franck Divay is a highly esteemed winner of the very prestigious 2014 A' Design Award in Zilver in Meubelontwerp Competition Category.


ZilverMeubels· 2014

Ydin Stool Kruk

by Franck Divay

Client: Inoow Design

A' Design Award in Zilver Winner in Meubels Category

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Verified Award Winner

Verify Award Status for #30329

Colors

The Design

About Ydin Stool Kruk

De Ydin-kruk kan door uzelf worden gemonteerd, zonder speciaal gereedschap, dankzij een eenvoudig vergrendelingssysteem. De 4 identieke voeten worden in willekeurige volgorde geplaatst en de betonnen zitting, die als sluitsteen fungeert, houdt alles op zijn plaats. Voeten zijn gemaakt van sloophout afkomstig van een trappenfabrikant, gemakkelijk machinaal bewerkt met traditionele houtbewerkingstechnieken en uiteindelijk geolied. De zitting is eenvoudig gegoten in duurzaam vezelversterkt UHP-beton. Slechts 5 losse onderdelen die plat verpakt moeten worden en klaar om naar de eindklant te worden verzonden, is een ander duurzaamheidsargument.

The Recognition

About the A' Design Award in Zilver

Ydin Stool Kruk is winnaar van de A' Design Award in Zilver, een buitengewoon prestigieuze erkenning die wordt toegekend aan topontwerpen die prachtig en indrukwekkend zijn. Winnaars in Zilver zijn enorm briljante en uiterst creatieve werken die de uitmuntende expertise, het talent en de scherpzinnigheid van hun ontwerpers illustreren. Ydin Stool Kruk wordt verwacht een prachtig paradepaardje te zijn dat opmerkelijk professioneel en diepgaand innovatief is. Dit ontwerp dat de A' Design Award in Zilver heeft gewonnen, is een hoogst opmerkelijke, bewonderde uitvinding die baat en de grenzen van kunst, wetenschap, ontwerp en technologie verlegt. Ydin Stool Kruk is een zeer benijde creatie die verlangens oproept, positieve gevoelens brengt en verbazing en verwondering doet ontvlammen.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties
Ydin stool can be mounted without using special tools, thanks to a simple interlocking system. The 4 identical feet are placed in no particular order and the concrete seat, acting as the keystone, keeps everything in place. Easily machined feet are made with scrap wood coming from a stairs manufacturer and finally oiled. The seat is moulded in a lasting fiber-reinforced concrete. Only 5 dissociable parts to be flat packed and ready to be shipped, is another sustainability argument.
Dimensions & Packaging
Product dimension : 310 x 310 x 440 mm
Product weight : 5,3 kg
Tags
stool, furniture, wood, concrete, scandinavian, moulding, flatpack, interlocking, sustainable, seating,
Production Technology
For a good fitting assembly, the hole dimensions in the center of the seat had to be extremely precise. So the mould has been made by using a 3D printed model. Then, the concrete seat remains raw from mold release. Feet are made with traditional woodworking technique by using several jigs or machining setups. With only 1 kind of piece to be shaped, it gives a very good process optimization when you start to manufacture several units. Scrap wood is the only raw material used for making them.
Design Challenge
The biggest challenge has been the technical and formal assembly development. The positioning of the 4 wooden feet one to each other, first. And secondly, the base interlocking into the seat. While having to meet the production capacities of a craft workshop.
Research
Project started with the desire to work with Ultra High Performance Concrete (UHPC), without knowing what kind of product was going to be obtained in the end. Soon, the choice to combine concrete with wood seemed to be the way not to get a single monobloc object that could just have been in molded plastic. Technical characteristics offered by this concrete, have allowed to develop an assembly principle that would not be possible to achieve with other materials, in a craftsmanship context.
Inspiration
The idea of a stool comes by experimenting with Ultra High Performance Concrete (UHPC) moulding possibilities. The final drawing of the furniture has been inspired by Scandinavian design culture.
Project Duration
The stool development was spread over two years, but not as a full-time job. This is an internal project that came to life between the requests performed ​​to several customers.
Operation Flow
With the fitting mounting system of the Ydin stool, the disadvantages of a furniture kit are deleted. No hardware need that requires the use of tools. Feet nesting is carried in an instinctive way without the need for a manual. The assembly principle is idealized in the middle of the seat and participates in the overall aesthetics of the piece of furniture.

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