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Reusable Sammenleggbar kopp by Kalina Gotseva

Reusable Sammenleggbar kopp by Kalina Gotseva is a highly esteemed winner of the very prestigious 2025 A' Design Award i Jern in Bærekraftig Produktdesign Competition Category.


JernBærekraftig produkt· 2025

Reusable Sammenleggbar kopp

by Kalina Gotseva

A' Design Award i Jern Winner in Bærekraftig produkt Category

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The Design

About Reusable Sammenleggbar kopp

Reusable er en sammenleggbar kopp designet for drikke som konsumeres utenfor hjemmet. Koppen kollapser til en kompakt form som passer i en lomme eller veske. Reusable er laget av silikon i matvarekvalitet og BPA-fri plast, formet ved sprøytestøping. Koppen rommer 250 ml og måler 87 mm i bredden og 122 mm i høyden. For å åpne koppen trekkes den øvre kanten opp til den låses på plass. For å lukke koppen presses kanten ned til den foldes flatt. Reusable tilbyr et alternativ til engangskopper og bidrar til å redusere avfall.

The Recognition

About the A' Design Award i Jern

Reusable Sammenleggbar kopp er vinner av A' Design Award i Jern, en prestisjefylt anerkjennelse som tildeles gode design som oppfyller de profesjonelle og industrielle kravene man forventer av veldesignede skaperverk. Jernvinnere viser stor dyktighet, høy spesialisering, ekspertforståelse og kreativ kapasitet hos skaperne. Reusable Sammenleggbar kopp forventes å være et høyt ansett, beundret og verdsatt skaperverk som er praktisk og nyskapende. Dette designet, som har vunnet A' Design Award i Jern, integrerer bransjens beste praksis og har kompetente tekniske egenskaper knyttet til kunnskap og talent. Reusable Sammenleggbar kopp respekteres for sin grundighet og er utformet for å gi forbedringer i livskvalitet som bidrar til å gjøre verden til et bedre sted.

Behind the Design

Press Kit

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

Unique Properties
This design is a foldable, reusable cup that combines portability, durability, and eco-friendliness. What sets it apart is its ability to collapse into a compact form, making it easy to carry in pockets or bags. Crafted from durable, food-grade silicone and BPA-free plastic, it ensures safety and longevity. Its sleek, modern design promotes sustainability by providing a stylish alternative to disposable cups, thereby reducing environmental impact and encouraging responsible consumption.
Dimensions & Packaging
Width 87mm x Height 122mm 250 ml
Tags
cup, Sustainable Design, coffee cup, eco design, Drinkware Mug, Coffee, foldable cup
Production Technology
The foldable cup design was achieved through iterative prototyping using CAD software. We employed injection molding for precision in mass production, utilizing food-grade silicone and BPA-free plastic to ensure safety and durability.
Design Challenge
The toughest challenge in this design activity was achieving a balance between compactness and durability. Creatively, we faced the obstacle of ensuring the cup could fold efficiently without compromising its structural integrity. The final concept of the foldable cup emerged as a response to countless iterations, material testing, paper prototyping, and 3D printing.
Research
The final concept of the foldable cup emerged as a response to countless iterations. In the process, a huge role played sculpting through various types of prototyping. Paper prototypes were used for proportion and geometry relationships, and 3D printing prototyping with soft plastics was used to test shape and thicknesses. Followed by extensive research on materials from which to manufacture.
Inspiration
Reusable's journey began with a simple question: How can we make eco-friendly choices effortlessly integrated into our routine? Inspired by the beauty of simplicity and functionality followed by the quest to create a solution that combines convenience with sustainability. Reusable boasts a unique collapsible design that transforms it from a full-sized cup into a compact, pocket-friendly form factor.
Project Duration
The idea was born in 2019, but the project commenced in January 2023 and concluded in April 2024. The design and development phases took place in Bulgaria. This timeline allowed for extensive research, prototyping, and user testing, ensuring the final product met high standards of functionality and sustainability.
Operation Flow
The foldable cup is easy to use. To operate, simply expand the cup by pulling on the top rim until it locks into place. To collapse, push down gently until it folds flat.

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