doc. Ing. arch. Kateřina Sýsová, Ph.D.

doc. Ing. arch. Kateřina Sýsová, Ph.D., Arch. Paulin Faskel Tchoundie Tchuigwa

15116 Ústav modelového projektování

The pervasive use of plastics, despite their economic benefits in recycling and reuse due to their low cost and abundance, has contributed significantly to global environmental issues, including pollution and global warming. Notably, polymer production continues to rise, paralleling increasing environmental impacts. This paper shifts focus from these broader environmental concerns to explore how topology optimization and advanced 3D printing technologies are transforming interior design. Specifically, it examines the integration of topology optimization a technique traditionally used in engineering to distribute materials efficiently within a design space to enhance both the sustainability and creativity of large-scale 3D printing applications in interior design. By optimizing material usage and minimizing waste, these technologies not only address some environmental concerns associated with plastics but also revolutionize how designers conceive and implement interior spaces. The paper highlights case studies where these integrated technologies have enabled unprecedented levels of creativity and efficiency, redefining the aesthetics and functionality of interior environments.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Arch. Paulin Faskel Tchoundie Tchuigwa

15116 Ústav modelového projektování

The pervasive use of plastics, despite their economic benefits in recycling and reuse due to their low cost and abundance, has contributed significantly to global environmental issues, including pollution and global warming. Notably, polymer production continues to rise, paralleling increasing environmental impacts. This paper shifts focus from these broader environmental concerns to explore how topology optimization and advanced 3D printing technologies are transforming interior design. Specifically, it examines the integration of topology optimization a technique traditionally used in engineering to distribute materials efficiently within a design space to enhance both the sustainability and creativity of large-scale 3D printing applications in interior design. By optimizing material usage and minimizing waste, these technologies not only address some environmental concerns associated with plastics but also revolutionize how designers conceive and implement interior spaces. The paper highlights case studies where these integrated technologies have enabled unprecedented levels of creativity and efficiency, redefining the aesthetics and functionality of interior environments.

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prof. Dr. Henri Hubertus Achten, doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Lukáš Kurilla, Ph.D., Ing. arch. Šimon Prokop, Ing. arch. Jiří Vele

15116 Ústav modelového projektování

The contemporary landscape of construction 3D printing of materials like clay or concrete mainly relies on planar slicing, which, regrettably, impose constraints on the realization of overhangs and cantilevered structures, thereby limiting architectural design flexibility and posing issues in fabricating intricate structures. In response to this challenge, we investigate the integration of non-planar slicing in the construction printing of structures featuring substantial overhangs. We present a novel approach to crafting print paths strategically, fragmenting the global overhang into discrete local segments. Additionally, we introduce self-balancing control to help the buildability within segments of the print path, elevating the stability of the freshly deposited concrete during the printing process. Our methodology redistributes a portion of the bending forces into tension forces oriented along the print path, thereby augmenting the structural integrity and buildability of intricate structures with overhangs and vaults. The efficacy of our method is demonstrated through a computational parametric model and a physical prototype. A comprehensive comparative analysis is conducted against conventional planar printing methods, encompassing metrics such as geometric accuracy, buildability, material efficiency, and print time.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Jiří Vele, Mgr. Matěj Róth

15116 Ústav modelového projektování

With supply chain issues and rising price of construction materials, mycelium can potentially provide reliable, eco-friendly and sustainable alternatives to traditional construction materials as substrates used for growing mycelium can contain almost any recycled cellulose: sawdust, used coffee grounds or paper. Characteristics of the final product are determined by substrate, mushroom species, the time of growth and further treatment of mycelium (e.g. high pressure forming). In this paper we describe semestral work of both students and tutors of an Experimental studio, focused on additive manufacturing together with rather novel sustainable materials. Students’ semestral task was to find use cases for mycelium as a building element. As a part of the assessment they were tasked to come up with use cases, designs, manufacturing methods and finally build a mock-up model in 1:5 scale. Students intuitively started with the combination of digital modelling plus digital fabrication. In the end they finished with manufacturing the physical model traditionally, where they had to react to the change of the visual outcome of the model. Firstly, we present the students’ solution for the mycelium material used in their model, next, we describe our observation of the whole process of letting students go through “learning by doing” research, Finally, we present lessons learned in this experiment.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Šimon Prokop, Ing. arch. Jiří Vele

15116 Ústav modelového projektování

Protokoly obsahují vyhodnocení testů velkoformátového 3D tisku na různých extrudérech. Zkoušky probíhaly především s recyklovaným PETG. Ve zprávě je nastíněn i probíhající výzkum týkajíci se vlivu konformního potisku na pevnost originálního tenkostěnného dílu.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Jiří Vele

15116 Ústav modelového projektování

Mechanická ruka pro upevnění chytrého reproduktoru Amazon Echo Dot ke zdravot- nímu lůžku byla vyvinuta pro pilotní projekt “Využití hlasového asistenta pro pacienty s poraněním míchy” Spinální jednotky FN Motol. Je vytisknuta z recyklovaného filamentu R-PET.

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Ing. arch. Jiří Vele, doc. Ing. arch. Kateřina Sýsová, Ph.D.

15116 Ústav modelového projektování

Prvok is the first 3D printed concrete floating house in the Czech republic. Additive manufacturing - 3D printing became a synonym of sustainable building of the 21st century. Its experimental manner and lack of world's standardisation ISO approvals hold the 3D printing concrete method on the edge of usability and applicability and stop a broader spread of application in practice. Furthermore, the used material was newly developed cement composite prefabricated mixture mady by Master Builder Solutions with polypropylene plastic micro-fibres, which was not previously tested in large structures. What we achieved, was a practical realisation of a 3D printed fully equipped and functioning concrete house as a habitable statue for a public event. In order to fulfil the request on insulation and avoiding heat bridges together with investing least material possible, we parametrically designed and implemented a wall system of construction. In order to be able to open the structure to the public, we tested it on the universal loading machines at the Faculty of civil engineering CTU Prague in scale 1:1. Testing fragments of the walls were also part of the research goals, which led us to the final design. In this paper, we present the results of the experiment together with the experimentally obtained data.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Šimon Prokop

15116 Ústav modelového projektování

Stroj se vztahuje v zásadě k recyklaci syntetických plastů, zejména polyethylene tereftalátu a high density polyethylenu. Slouží zejména k demonstrativním a edukativním účelům.

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doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Jiří Vele

15116 Ústav modelového projektování

In this experimental research project we report on the manufacturing process of the first full-size 3D printed concrete structure in our country. The house was 3D printed by an ABB IRB 6700 robot whose range we made fit with the requirements for transportation size and also, its range determined the size and geometry of the house. During the transformation process from sketch to code we involved students to apply computational design methods. We designed the main load bearing structure which had to be thinnest and lightest possible together with its insulation features and printability. We were aware of the world-wide research in this field started by NASA centennial Challenge called 3D-printed-habitat [Roman,2020] as well as start-ups derived from this research [1,2,3,4]. During the project, we investigated the following matters: (1) the relationship between geometry of the wall in model and in practice (2), setting of the robot and the mixture; and (3) stress test of the wall. With the results of the test we aimed at contribution to standardisation of 3D printed structures in ISO/ASTM 52939:2021. The finalized structure, named "Prvok", was made to prove printability of the mixture and stability of the design.

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prof. Dr. Henri Hubertus Achten, doc. Ing. arch. Kateřina Sýsová, Ph.D., Ing. arch. Šimon Prokop, Ing. arch. Jiří Vele

15116 Ústav modelového projektování

One of the attitudes to recycling plastic in architectural design is it re-printing. 3D Printing of recycled polyethylene tereftalate is in its birth-days. Recycled filament can be bought in Argentina or Netherlands but lack of experience with this reborn material blocks its use in the Czech Republic. Firstly we made a study of settings of the home-3D-printers for this material. Secondly we came with a crowd printing project, which tested the possibility to print structural pieces by on various low-cost printers.

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