Lamp Shade Series

Soft Tectonics is a research initiative exploring Bending-Active structural systems that generate form through the active elasticity of materials. By controlling internal stress distribution and bending radii without external mechanical or thermal stimuli, the research experimentally extends the principle that "form originates from the physical potential of the material." This approach aims for an integrated concept of Material = Structure = Form.

Utilizing polymer-based flexible materials and fiber-reinforced composites, the system activates bending elasticity to create self-supporting structures. The core feature of this research is curvature-based stiffness, which ensures structural integrity even within thin cross-sections.

The methodology bridges the digital and physical through elastic deformation simulations, custom profile-extraction software, and error-correction processes. Parametric algorithms derive multiple structural possibilities from a single design, while over 200 prototype experiments optimize the balance between structure and self-weight. This Micro-to-Macro / Macro-to-Micro strategy connects object-scale experimentation to architectural-scale implementation.

 

Year : 2026

Location : Seoul, Korea

Project Director :

Dongil Kim (Kyung Hee University / I.f CDL)

Principal Researcher :

Gwangeun Hwang (I.f)

Supported by : I.f Architecture & Research

K:ink Tower

K:INK Tower is a bending-active composite experiment that explores the moment when softness transforms into structure. Using large-scale, ultra-light composite fibers developed by AXIA Materials, the project investigates how flexible materials can discover form and stability through the natural flow of tension.

Standing 4.2 meters tall, the tower consists of eleven concave panels that interlock through a calibrated balance of bending and stress, embodying the Soft Tectonic philosophy — an architecture that stands through tension rather than rigidity.

K:INK Tower captures the precise instant when continuous surfaces bend and resist, revealing a vertical gesture where material energy crystallizes into form and structure emerges from its own tension.

 
 

Year : 2025

Location : Seoul, Korea

Size : 1m radius, 4.2m height

Project Director :

Dongil Kim (Kyung Hee University / I.f CDL)

Principal Researcher :

Seungil Kim, Gwangeun Hwang (I.f CDL)

Project Assistant :

Isaac Kang, Bugeon Kim, Chaewon Go, Juyoung Lee (I.f CDL)

Supported by : Kyung Hee Univ., I.f Convergence Design Lab, Axia Materials, Kolon Global, I.f Architecture & Research

대형 연속섬유 복합재를 활용한 활성탄성면의 형상 구축 및 제작 방법론에 관한 연구

 
 

대형 연속섬유 복합재를 활용한 활성탄성면의 형상 구축 및 제작 방법론에 관한 연구

Design and Fabrication Strategies for Bending-Active Plates Utilizing Large-Scale Continuous Fiber Composites

This study presents a form-finding and fabrication methodology for large-scale bending-active structures using continuous fiber composites. Bending-active structures leverage the elastic deformation of flat and flexible materials to achieve freeform curved geometries. Traditional methods using metals, plastics, or fiber-reinforced polymers (FRPs) often encounter scalability challenges due to assembly requirements of multiple elements.

To address this, the proposed strategy utilizes continuous fiber composites to construct bending-active surfaces from single flat sheets, enhancing both structural integrity and construction efficiency. Based on a literature review, the study analyzes the form-finding principles of active bending plates and the properties of continuous fiber composites to derive an optimal reinforcement strategy. Based on a literature review of form-finding principles and composite properties, two reinforcement strategies were developed: surfacial reinforcement to increase panel rigidity and topological reinforcement to improve global stability. These strategies were assessed through digital simulations and physical prototyping.

A full-scale, vertically self-supporting pavilion was constructed to test real-world applicability, with performance compared to similar precedents. The results demonstrate that combining surfacial and topological reinforcement effectively reduces structural weaknesses, enabling the formation of stable, three-dimensional geometries. This approach streamlines material processing, shortens construction timelines, simplifies transportation and assembly, all while minimizing complexity. The proposed methodology expands the architectural application of continuous fiber composites, offering a structurally and economically efficient solution for large-span or geometrically complex structures, while contributing to sustainable construction practices through material optimization.

Kim, Seungil, Hwang, Gwangeun and Kim Dongil. (2025). Design and Fabrication Strategies for Bending-Active Plates Utilizing Large-Scale Continuous Fiber Composites. Journal of the Architectural Institute of Korea, 41(7), 251-259.

https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART003227403

Elastic Kinetic Facade

Design process in general, and particularly in architecture, is a complex process that involves a combination of knowledge, skills, experiences, practices, etc. In recent decades, digital design emerges as an unstoppable trend, which adds to all the aforementioned factors the use of digital tools. The techniques cover this issue with computational and algorithmic design systems, the so called parametric design. It is already vividly present in the first half of the twentieth century in the automotive sector (geometric design), and finally impact on architectural design which represents a new step that has led to a new type of Architecture. The workshop is to re-envision the role of Architects as system maker from thinking strategy to fabricator.

This course aims to investigate the continuing advancement of computational processes in architecture in their practice. The topics are exposed as both a technical and intellectual venture of formal, spatial, construction and ecological potentials. The primary role of the workshop is the theoretical and practical development of generative computational design process on both conceptual design and construction phase, allowing for the integral use of computer-controlled manufacturing process in this design system. The later of this course will reach to critically review computational design towards a more challenging and self-demanding commitment to physical and environmental constraints as a fabrication stage.

 

Year : 2024

Material : LiteTex 2ply (AXIA Materials), Plywood

Project Director : Dongil Kim, Sanghyun Kim (KHU)

Principal Research : Seungil Kim (I.f CDL), Daehan Lee (V.P.Lab), Eunae Gang (RCI Lab)

S:PROUT

Architecture with Flexible Materials: Discovering New Possibilities

Flexible materials stimulate architectural creativity through their inherent physical properties and capacity for transformation. In traditional vernacular architecture, materials such as bamboo and earth have been utilized to create adaptive, flexible structures that respond to local environmental conditions and needs. Contemporary architecture reinterprets this flexibility by experimenting with high-performance composite materials. LiteTex, the material used in this project, is a continuous fiber composite that begins as a flat sheet and holds potential for transformation into three-dimensional forms. This material simultaneously offers elasticity and rigidity, maximizing portability and storage while enabling the creation of complex structures on-site. By applying two-dimensional patterning techniques from the garment industry, this approach enables the transformation of flexible, flat materials into three-dimensional forms, simplifying the fabrication process and ensuring cost-effectiveness. LiteTex represents more than a material experiment; it expands the possibilities of architectural design. This material is not only suitable for spatial requirements such as movable structures, temporary buildings, and pavilions, but it is also recognized for its environmental sustainability.

Designing Change: Process-Oriented Design and Fabrication

Designing change involves more than the creation of a final product; it requires the integration of the entire process by which that product is realized. This project focuses on the research of the design and fabrication process, investigating the physical properties and limitations of flexible materials through the integration of digital technologies and physical experimentation. The design process is divided into three distinct phases. The first phase involves basic form experiments using scale models to analyze the relationships between the material’s physical properties and the design variables. The second phase combines digital simulations with physical testing to assess the material’s behavior in real-world conditions. Finally, full-scale mock-ups are constructed to identify potential issues in the assembly process and derive solutions. By considering factors such as the material’s bending radius, self-weight, and assembly sequence from the early design stages, it is possible to achieve not only three-dimensional forms but also structural stability and spatial efficiency. This approach enhances the overall quality of the final product while minimizing errors during fabrication.

Integration with Digital Technology: Employing New Design Tools

Digital technology plays an essential role in effectively integrating the design and fabrication processes. In this project, a digital twin was constructed to measure the gap between the virtual model and physical reality, allowing for simulations of changes throughout the entire design and fabrication phases. Digital simulations were utilized as a tool to validate the design’s efficiency before creating physical mockups. Factors such as bending strength and deformation limits were analyzed in advance, enabling the identification of potential errors prior to fabrication. These simulations facilitated collaboration among architects, engineers, and material specialists, and helped integrate data from multiple disciplines. Physical experiments served to verify the outcomes of digital designs and test the performance and assembly feasibility of the materials. The complementary relationship between digital simulations and physical testing improved the reliability of the design and further extended the potential of new materials and technologies.

 

Year : 2024

Location : Yongin, Korea

Status : Installation

Size : 0.957 ㎡

Height : 2.87m

Material : LiteTex 5ply (AXIA Materials), Plywood

Structure : Bending-Active Composite Structure

Project Team : I.f Convergence Design Lab + Center for Ai & Architecture (Ai+A) (Prof. Dongil Kim)

Principal Researcher : Seungil Kim, Gwangeun Hwang

Project Assistant : Dongheon Lee, Jinsan Ryu, Isaac Kang, Yeonhee Kim, Hyeongtai Kim, Ro-un Yi (DAKHU)

With the Support of : Seojoo Lee, Hyojung Kim (I.f)

Collaboration : I.f Architecture & Research, AXIA Materials, Kolon Global, EFFECTOR, V.P.Lab

Photography : Kyung Roh

Bending-Active Facade

Design process in general, and particularly in architecture, is a complex process that involves a combination of knowledge, skills, experiences, practices, etc. In recent decades, digital design emerges as an unstoppable trend, which adds to all the aforementioned factors the use of digital tools. The techniques cover this issue with computational and algorithmic design systems, the so called parametric design. It is already vividly present in the first half of the twentieth century in the automotive sector (geometric design), and finally impact on architectural design which represents a new step that has led to a new type of Architecture. The workshop is to re-envision the role of Architects as system maker from thinking strategy to fabricator.

This course aims to investigate the continuing advancement of computational processes in architecture in their practice. The topics are exposed as both a technical and intellectual venture of formal, spatial, construction and ecological potentials. The primary role of the workshop is the theoretical and practical development of generative computational design process on both conceptual design and construction phase, allowing for the integral use of computer-controlled manufacturing process in this design system. The later of this course will reach to critically review computational design towards a more challenging and self-demanding commitment to physical and environmental constraints as a fabrication stage.

 

Year : 2023

Project Director : Dongil Kim (I.f CDL / KHU)

Student : Kim Taeyang, Hwang Gwangeun, Kim DongYoung, Won Jiseon / Kwon Dohyun, Lee Heeyong, Syed Haseeb Shah / Kim Juyeon, Kim Seungil, Kim Taehyeon / Saddiq Ur Rehman, Jang Hageon

Pleated Column

Design process in general, and particularly in architecture, is a complex process that involves a combination of knowledge, skills, experiences, practices, etc. In recent decades, digital design emerges as an unstoppable trend, which adds to all the aforementioned factors the use of digital tools. The techniques cover this issue with computational and algorithmic design systems, the so called parametric design. It is already vividly present in the first half of the twentieth century in the automotive sector (geometric design), and finally impact on architectural design which represents a new step that has led to a new type of Architecture. The workshop is to re-envision the role of Architects as system maker from thinking strategy to fabricator.

This course aims to investigate the continuing advancement of computational processes in architecture in their practice. The topics are exposed as both a technical and intellectual venture of formal, spatial, construction and ecological potentials. The primary role of the workshop is the theoretical and practical development of generative computational design process on both conceptual design and construction phase, allowing for the integral use of computer-controlled manufacturing process in this design system. The later of this course will reach to critically review computational design towards a more challenging and self-demanding commitment to physical and environmental constraints as a fabrication stage.

 

Year : 2023

Project Director : Dongil Kim (I.f CDL / KHU)

Student : Taeyang Kim, Gwangeun Hwang, DongYoung Kim, Jiseon Won / Dohyun Kwon, Heeyong Lee, Syed Haseeb Shah / Juyeon Kim, Seungil Kim, Taehyeon Kim / Saddiq Ur Rehman, Hageon Jang

열수축 폴리머 재료를 활용한 디자인 및 제작방법론의 건축적 적용에 관한 연구

열수축 폴리머 재료를 활용한 디자인 및 제작방법론의 건축적 적용에 관한 연구

A Study on Design and Fabrication Methodologies with Heat-Induced Self-Reinforcing Polymer

(Background and Purpose) This research paper aims to investigate a unique design process that digitally manipulates the morphological transformations of a heat-induced self-reinforcing polymer. The principle of the heat-induced contractile polymer has long been implemented in various industries such as packaging and fashion. While other industries have embraced the full potential of the particular soft material, it is still a relatively new material to be further explored in the field of architecture. Yet, with the application of computational tools to architectural form-making and fabrication methodologies, morphological and structural behaviors of heat-induced polymer could become an active material for architectural projects.

(Method) There are two modes distinguished in the presented research methodology. First of all, the author conducts the physical investigation of the material system of heat-induced polymers as a design driver. In this stage, the author computes the material behavior of the polymer sheet considering the material thickness of the polymer sheet and the traits of contractile deformation based on the time of heat exposure and the level of temperature on the material. Second, the author explores the digital investigation of a transition system of the physical properties to digital simulation then from the digital model to a fabricatable artifact based on the physical investigation of the heat-induced polymer sheet. In this stage, A series of computational strategies are applied to evaluate and analyze the design that eventually led to the making process. Finally, the latter part of this research paper showcases a built case study titled De:flatable. The study demonstrates the process of digitally comprehending the morphological transformation of a soft material, ultimately realizing the most optimal form through rapid prototyping with varying parameters.

(Results) The presented paper proves the resilience of the design process and aims to revisit the reciprocity of physical and digital, of formal and structural, and of design and fabrication through comparing the physical scale models and digital form-finding prototypes. And in lieu of the spirit of recalibration, the research is experimentation in imprecision.

(Conclusions) Not only an imprecision by the nature of the polymer’s intrinsic soft materiality but the imprecision of the digital translation of the morphological behavior of viscoelasticity. But as the following research demonstrates, it is within the imprecision and the infidelity of both physical material and computation tools that interpret the material that leads to the production of a form and a design process that hints at new possibilities in architectural design.

Kim Dongil. (2022). A Study on Design and Fabrication Methodologies with Heat-Induced Self-Reinforcing Polymer. Journal of Korea Intitute of Spatial Design, 17(2), 25-36.

https://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART002823029