'Reusable' by Kalina Gotseva: Innovation in Foldable Cup

Reusable

Foldable Cup for Kalina Gotseva

Reusable is a breakthrough in sustainable drinkware, merging innovation with eco-conscious design to tackle single-use waste. This foldable, reusable cup reimagines the traditional drinking vessel, offering a sleek and practical solution for modern lifestyles. Crafted from durable, eco-friendly materials, Reusable reduces environmental impact and promotes a culture of sustainability. Its convenient, stylish design encourages a shift towards reusability, setting a new benchmark for eco-friendly beverage consumption. One sip at a time, Reusable is driving change.

Kalina Gotseva 2025 Emergent Iron Press Kit № 161932

Download Press Kit № 161932

Download Press Kit № 161932 Foldable Cup for Kalina Gotseva by Kalina Gotseva to access high-res images, essential texts, translations, and exclusive interviews—all in one.

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Reusable by Kalina Gotseva

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Foldable Cup by Kalina Gotseva

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Kalina Gotseva Reusable

Download 1800 Pixels JPEG Image.

Harness the clarity of this 1800-pixel image for your prints—perfectly sharp at 6 inches with 300 DPI and equally clear at 12 inches when adjusted to 150 DPI. Press pass? Download high-res, watermark-free images. Or, get immediate access to low-res images without accreditation. Photo credits are listed in the Image Credits Section.

Kalina Gotseva Foldable Cup

Download 1800 Pixels JPEG Image.

With an 1800-pixel resolution, create stunning prints up to 6 inches at 300 DPI, or expand your storytelling to 12 inches with a clear outcome at 150 DPI. Press credentials grant access to download high-res, watermark-free images. Alternatively, download a low-res version instantly. Consult the Image Credits Section for information on photo credits.

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.

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.

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.

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 Overview

Reusable Foldable Cup has been a Iron winner in the Sustainable Products, Projects and Green Design award category in the year 2024 organized by the prestigious A' Design Award & Competition. The Iron A' Design Award is awarded to good designs that meet the rigorous professional and industrial standards set by the A' Design Awards. This recognition is reserved for works that demonstrate a solid understanding of design principles and show creativity within their execution. Recipients of the Iron A' Design Award are acknowledged for their practical innovations and contributions to their respective fields, providing solutions that improve quality of life and foster positive change. These designs are a testament to the skill and dedication of their creators, showcasing their ability to address real-world challenges through thoughtful design.

Image Credits

For design images and photos please credit Kalina Gotseva.

Iron Recognition

Kalina Gotseva was recognized with the coveted Iron A' Design Award in 2025, a testament to excellence of their work Reusable Foldable Cup.

Kalina Gotseva Newsroom

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