The WARNA bench.


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The WARNA bench by Kristina Dwi Suryani.

Narrated by Kristina herself.


The Purpose of this project is to reduce the plastic waste in Jakarta. The landfill in Jakarta called the Bantar Gebang is literally made of mountains of trash. The waste management system is poor and the government doesn’t really fund enough to do so. Jakarta is working on it, we’re slowly improving with cleaning the streets, parks and rivers so it’s not filled up with trash.


Sustainability is a subject that I’ve been interested with since I was 10, mostly towards architecture rather than product or furniture design. Because this is my 3rd and last year in University of Creative Arts and I thought that is a great opportunity to make some sustainable products and to focus on my home town (Jakarta).

The legs are made with metal rods, which are welded into squares. One leg is made out of 2 squares that form an upside down equilateral triangle. They are then wrapped in plastic raffia (made out of recycled plastics) to prevent them from rusting, then heated so the raffia would stick to the metal.


For Support there are 2 flat steel bars on each end and 1 squared hollow steel bar in the middle for full support.

The seat of the bench is made out shreds of plastic which were then compressed to form 20mm thick plastic sheets. I tried to make it on my own but wasn’t able to as it requires a special industrial standard machine. Thus, I got it from a friend and it’s called EcoPly.

I’m still a beginner in the whole sustainability subject as I’m still learning. Most designers create things focusing on the aesthetics i.e. form before function and I’ve done that before as well. Then I realised how important it is as a designer to care about the environment and the world. As designers are responsible for most of the waste on this earth. It’ll be wonderful if every designer could solve this problem One Durable and Sustainable Design at a time


Start at a young age and if the country is not willing to support you, stand together with other designers and see if they’re willing to support the idea and help the country improve, step by step.

You can find more from Kristina on

Bēhance / Kristina Dwi Suryani.

Instagram / @kristinadsp.

(click on the names to visit the sites)

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