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De Vorm

De Vorm BV Dijkgraaf 38, 6921 RL Duiven

© 2026 De Vorm BV

Kaska Wooden Stack Chair

  • Back to ProductsKaska Wooden Stack Chair
  • Introduction
  • Variants
  • Finishes
  • Images
  • Specifications
  • Downloads

Introduction

Designed by Thomas Bentzen, Kaska Wooden Stack Chair fits cafés, meeting rooms, and public venues where seating needs to be flexible and durable. Built from solid wood and moulded plywood, it balances comfort with practical function. Lightweight, stackable, and refined in proportion. Its quiet presence blends into interiors without demanding attention.

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Kaska was developed with honest materials and precise construction in mind. Each element does just what it needs to. The back legs tilt slightly and flow into the curved backrest. The seat features a smooth front edge to reduce pressure while sitting. Subtle curves in the backrest provide support, while bent corners help protect the surface when stacked.

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Two Variants

Kaska Wooden Stack Chair comes with or without armrests. Both variants stack efficiently for storage and reconfiguration in spaces where layout changes frequently.

Without Armrests

Without Armrests

With Armrests

With Armrests

Three finishes

Standard finishes: Clear, Brown, Black. Natural variations in wood texture and colour add to the unique character of each piece.

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Clear
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Brown
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Black

Images

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Material

Responsibly sourced wood

Kaska is made from plywood sourced through closed-loop forestry and certified to the highest environmental standards. De Vorm refines traditional methods to create lighter, stronger structures without excess material. The result is durable seating that minimises waste and impact throughout its lifecycle.

Learn more about our wood and materials
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Designer

Designed by Thomas Bentzen

Thomas Bentzen designed Kaska with a focus on clarity and function. His approach strips away unnecessary elements while retaining the comfort and durability required for commercial settings. The collaboration with De Vorm explored how refined design and responsible material use could meet the practical demands of everyday spaces.


Specifications

  • Materials
    • Seat and backrest
      Plywood and oak veneer
    • Legs
      Solid oak
    • Gliders
      PE
  • Technical details
    • Weight
      Without armrests: 4.4 kg With armrests: 4.7 kg
    • Seat depth
      41 cm
    • Certifications
      Umwelt declaration according to ISO 14025 and EN 15804+A1
  • Colours
    • Seat and backrest
      Clear, Brown, Black

Downloads

  • Design files
    • Kaska Wooden Stack Chair + Armrests - 3D Files .zip Download
    • Kaska Wooden Stack Chair + Armrests - Technical Drawing .pdf Download
    • Kaska Wooden Stack Chair - 3D Files .zip Download
    • Kaska Wooden Stack Chair - Technical Drawing .pdf Download
  • Product documentation
    • Kaska Wooden Stack Chair + Armrests - Productsheet .pdf Download
    • Kaska Wooden Stack Chair - Product Setting Images - Hi-res JPG .zip Download
    • Kaska Wooden Stack Chair - Product Solo Images - Hi-res PNG .zip Download
    • Kaska Wooden Stack Chair - Productsheet .pdf Download