Ponencias (Ingeniería Gráfica)

URI permanente para esta colecciónhttps://hdl.handle.net/11441/11369

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Welcome Days. Actividades de apoyo a los estudiantes de nuevo ingreso en Ingeniería de Edificación
(Universidad de Burgos, 2026) Chaza Chimeno, María del Rosario; Rincón Millán, María Dolores; García Soria, María del Valle; Esteve Pardal, Rafael; Expresión Gráfica e Ingeniería en la Edificación; Ingeniería Gráfica
Con el objetivo de facilitar la integración de los estudiantes de nuevo ingreso en la Escuela Técnica Superior de Ingeniería de Edificación (ETSIE) de la Universidad de Sevilla, se han diseñado diversas actividades de apoyo. Entre estas destacan las jornadas de bienvenida, denominadas ETSIE Welcome Days, y dos seminarios y talleres introductorios en matemáticas y física, enfocados desde la perspectiva del ámbito de la edificación. Estas iniciativas buscan proporcionar un punto de partida sólido para que los estudiantes asienten las bases necesarias para su aprendizaje en la educación superior e inicien con éxito las asignaturas correspondientes. Las jornadas ETSIE Welcome Days se proponen la semana anterior al inicio del curso académico, con una duración de tres días, donde los estudiantes tendrán la oportunidad de obtener una visión general de las materias que se cursarán en el Grado en Edificación, además de explorar las posibles salidas profesionales, las relaciones con empresas del sector, y las opciones de movilidad internacional. Todo esto se desarrollará en un ambiente amigable y dinámico. Objetivos de los “ETSIE Welcome Days: - Familiarización con la escuela: Presentar a los estudiantes los departamentos, servicios, disciplinas y herramientas disponibles, así como los espacios físicos y virtuales donde se desarrollará su aprendizaje. - Creación de comunidad: Promover el sentido de pertenencia y motivar a los estudiantes para iniciar su formación con entusiasmo. - Preparación académica: Introducirlos en las enseñanzas y metodologías propias de la Ingeniería de Edificación, marcando objetivos iniciales para su desarrollo académico. Objetivos de los Seminarios de Inicio en Matemáticas y Física: - Refuerzo académico: Consolidar conocimientos previos en matemáticas y física para facilitar el aprendizaje en el Grado en Edificación. - Adaptación al nivel universitario: Asentar las bases necesarias para abordar con éxito las asignaturas técnicas del programa académico.
El fuerte de San Lorenzo del Puntal (Cádiz) y el fuerte de San Fernando de Bocachica (Cartagena de Indias): una visión comparada
(Universitat Politècnica de València, 2015) Granado Castro, Gabriel; Galindo Díaz, Jorge Alberto; Aragón Barreto, Hugo; Ingeniería Gráfica
Through a comparative study of two similar fortifications in their geometric and defensive characteristics, this paper gives a description of each of them on a historical narrative that allows specifying how the processes of transformation and adaptation of buildings was given continuously, like a single project it were , away from the traditional model usually think that American fortifications were a simple adaptation of which were built in Spain
From Photogrammetric Fieldwork to 3D GIS Modelling: The Defensive Wall of Seville as a Representative Case Study (Jardines del Valle Sector)
(Springer Nature, 2026) Hidalgo Sánchez, Francisco Manuel; Rubia-Caba, David; Mascort-Albea, Emilio J.; Infante Perea, Margarita Mª; Rodríguez-Ramírez, Lorenzo; Construcciones Arquitectónicas II; Estructuras de Edificación e Ingeniería del Terreno; Ingeniería Gráfica
This work reflects on the advantages provided by Geographic Information Systems (GIS) in the semi-automatic construction of three-dimensional models for the management of architectural heritage information. For this purpose, a methodology has been developed that allows the generation of 3D-GIS models from a high density point cloud obtained by photogrammetry. The applied procedures have been based on a set of work phases that have allowed the classification, modelling and publication of the processed information. This research has selected as a case study a representative segment of the Almohad wall of Seville, belonging to the sector of the Jardines del Valle. This heritage element is part of the buildings belonging to the Management Plan for Heritage Municipal Buildings of Seville (PD-PHiM) and is characterized by being an archaeological property of great extension and high complexity. The results obtained have generated a model that significantly increases the level of detail (Level of Detail, LOD) of the case study with respect to previous works carried out within the framework of the PD-PHiM. Similarly, the data tables relating to the asset have been linked to the 3D model generated. All this has contributed to highlight the great potential of the strategies developed in those tasks related to the data management of heritage buildings.
Architectural photogrammetry applied to the cataloging of historical heritage. A case study of a bunker in La Línea de la Concepción, Spain
(University of Banja Luka, 2024) Martín-Cara, Antonio; Amaro Mellado, José Lázaro; Zapico Blanco, Beatriz; Ingeniería Gráfica; Estructuras de Edificación e Ingeniería del Terreno
Photogrammetry is an emerging tool in architecture, conservation, cataloging, and maintenance of heritage, offering a precise and efficient methodology for generating three-dimensional digital models. This work presents a comparative study of photogrammetric methods, focused on a lowcost software application, with the aim of evaluating its effectiveness in capturing and faithfully representing architectural and cultural elements, such as the bunkers located in La Línea de la Concepción (Spain), where the seismic hazard is not neglectable. The results reveal that the method choice depends on the object being digitized. Some programs are more suitable for capturing fine details, while others excel in reconstructing more complex structures.
Bases de datos catastrales como fuente de información de bases de datos toponímicas oficiales: extracción de la toponimia de la cartografía catastral de la Diputación Foral de Gipuzkoa
(Colegio Oficial de Ingenieros Técnicos en Topografía de Madrid, 2022) Mitxelena Hoyos, Oihana; Amaro Mellado, José Lázaro; Ingeniería Gráfica
Los trabajos sobre toponimia recogen los nombres de lugar tanto de fuentes escritas como orales. Dentro de la actividad de en la Comunidad Autónoma de Euskadi (CAE), se han realizado diferentes estudios al respecto, especialmente desde los años 90. Los nombres de lugar reflejados en la cartografía catastral de los territorios históricos de la CAE puede ser una gran aportación al Nomenclátor Geográfico Oficial, tal y como se ha demostrado en otras regiones, como es el caso de Andalucía. Esta comunicación presenta la aplicación local del planteamiento de una metodología basada en Sistemas de Información Geográfica (SIG) y herramientas Extract, Transform, Load –ETL– para la extracción de nombres de lugar contenidos en el Catastro Foral de Gipuzkoa. En ella, resulta imprescindible atender las particularidades idiomáticas, salvando la complejidad derivada de las divergencias en la ortografía. Como resultados de la aplicación de esta metodología semiautomática, se observa una tasa de coincidencia entre bases de datos próxima al 50%, contrastada mediante una supervisión manual, lo que vislumbra la aportación que podría suponer el tratamiento de esta fuente catastral para el corpus toponímico de Euskadi. Además, se hace una estimación del volumen que podría aportar este corpus al Nomenclátor Geográfico Oficial.
La obra coronada en la fortificación de Puerta Tierra (Cádiz) a través de la cartografía urbana del siglo XVIII
(Universitat Politècnica de València, 2020) Aguilar Camacho, Joaquín; Granado Castro, Gabriel; Lozano Martínez, Francisco Ramón; Ingeniería Gráfica
The crownwork fortification of Puerta Tierra (Cadiz) through the eighteenth century urban maps Most of the walls of Cádiz is mainly due to the works carried out on the seventeenth century. During this period the defenses of the Puerta Tierra wall –the city’s only terrestrial communication point– were expanded with the incorporation of new defensive elements, such as the so-called “crownwork”. However, it was during the eighteenth century when this defensive element acquired its last configuration, which did not correspond to the last planned project. This paper offers a vision on the various projects make by military corps of engineers for the remodeling of the Puerta Tierra wall. For this purpose we relies on the historical maps of the city corresponding to the eighteenth century. Also, it is analyzed how during this century its physiognomy evolved until the disappearance of the crownwork.
Use of IT in project-based learning applied to the subject surveying in civil engineering
(2021) Mitxelena Hoyos, Oihana; Amaro Mellado, José Lázaro; Martínez Álvarez, F.; Ingeniería Gráfica
This work describes the design and implementation of the subject of surveying under the Project-based Learning method. The modernization of teaching-learning and the new requirements of society to our graduates, force us to move towards a new style of higher education. In the case of topography, which is a transversal science closely related to the various skills of the degree, the learning conveyed by a project provides verisimilitude and depth of the knowledge acquired. Given the previous experiences, it is expected that better marks and performance are reached by the students.
Una aproximación a la comparación de catálogos de terremotos basada en SIG: un caso de estudio España-Portugal
(Colegio Oficial de Ingeniería Geomática y Topográfica (Geometriam Veritas), 2022) Amaro Mellado, José Lázaro; Ingeniería Gráfica
Algunas de las principales fuentes sísmicas que influyen en la sismicidad alrededor de la península ibérica se encuentran en la zona marina, especialmente al oeste de la misma. Estas tienen una importante repercusión en el nivel de peligrosidad sísmica de regiones limítrofes entre España y Portugal, como se pone de manifiesto en el impacto del terremoto de 1755 en las mismas. Este estudio se enmarca en los trabajos tentativos del proyecto Interreg Europe PERSISTAH, que ha examinado el riesgo sísmico en colegios del Algarve (Portugal) y Huelva (España). Las redes sísmicas terrestres que existen en Portugal y España pueden tener algunos problemas para detectar terremotos en alta mar, debido a la geometría desfavorable en la distribución de las estaciones sísmicas terrestres. Este hecho puede dar lugar a gaps azimutales altos, que pueden desembocar en una detección poco precisa de los hipocentros de los terremotos. Por tanto, es esencial entender cómo las redes de detección sísmica registran y localizan terremotos en zonas marinas (offshore). Por otro lado, los sistemas de información geográfica (SIG) son una potente herramienta para analizar fenómenos geográficos, entre los que indudablemente se encuentran los terremotos. En este trabajo, el objetivo es producir la información adecuada para decidir qué catálogo de terremotos elegir en función del uso y la zona de estudio. A tal fin, se ha llevado a cabo una comparación entre el catálogo portugués del Instituto Português do Mar e da Atmosfera (IPMA, Portugal) y del Instituto Geográfico Nacional (IGN, España) utilizando un SIG. Con el fin de realizar un análisis homogéneo de catálogos, se ha considerado únicamente el período instrumental según ambos. Así, se ha estudiado el número de eventos registrados por cada uno en función de la magnitud. Como conclusión, se desprende que el catálogo del IGN es más idóneo para el estudio de los eventos potencial más dañinos.
Teaching innovation in graphic expression: implementation of AutoCAD Civil 3D® in Civil Engineering
(Universidad Politécnica de Cartagena, 2025) Morato Huerta, Pablo; Morato-Moreno, Manuel; Ingeniería Gráfica; Ros-Torres, J.; Vázquez, G.
This study examines the integration of AutoCAD Civil 3D® software in the teaching of Graphic Expression in Bachelor's Degree in Civil Engineering at the University of Seville. The goal is to enhance terrain representation and optimize students' practical training. For ten years now, AutoCAD Civil 3D® has been implemented to complement traditional hand-drawing techniques. The methodology combines manual exercises with software-based practices, facilitating the transition from theoretical concepts to digital applications. The integration of the software has improved students' understanding of topographic representation and geometric design in Civil Engineering. It has also increased their interest and proficiency in digital tools applied to real projects. The study focuses on a single software and its application within a specific curriculum, which may limit its generalization to other academic contexts. The use of AutoCAD Civil 3D® has been extended to Degree's and Master's Final Projects, promoting learning aligned with industry needs. This educational innovation enhances the teaching of Graphic Expression by incorporating current tools from the Civil Engineering field, equipping students with essential digital competencies
Multimodal Adaptive Flipped Classroom
(Springer Nature, 2024) Fidalgo Blanco, Ángel; García Ruesgas, Laura; Martín-Núñez, José Luis; Sein-Echaluce, María Luisa; Ingeniería Gráfica; Ministerio de Economía y Competitividad (MINECO). España; Universidad Politécnica de Madrid; TIC214: Modelado Multiescala y Tecnologías Emergentes en Bioingeniería
The flipped classroom is a method of educational innovation that has been evolving since its beginning by incorporating other models of innovation such as adaptive learning. This paper presents a state-of-the-art study on the application of flipped classroom models together with adaptive techniques to personalize learning. The analysis has been performed from several dimensions: platforms, technologies and training models. Based on this analysis and the authors’ experience in developing Adaptive Flipped Classroom model, a multimodal model has been created that is applicable to any dimension and situation. The model is mainly based on making the “lesson at home” activity of the adaptive flipped classroom method. This activity is based on analyses performed at different points in time: pre, during and post. In other terms, it is a matter of applying adaptive techniques after analyzing the obtained information about the students’ interaction with the technology and with his or her learning. Three partial models and one generic are defined depending on where adaptability is done. The resulting model allows to do learning adaptations throughout the training process in a flexible way and independently of the chosen technological solution.
Development of an Application for the Automated Evaluation of 3D Modelling in Industrial Parts
(Springer Nature, 2024) García Ruesgas, Laura; Areñas Morales, Jaime; Salmerón Medina, Francisco; Torrecillas Lozano, Cristina; Ingeniería Gráfica; TIC214: Modelado Multiescala y Tecnologias Emergentes en Bioingenieria; RNM931: Tecnologías de la información Geoespacial, Gráfica e Hidrológica
In the teaching field, the existence of automated procedures that allow self-assessment or self-correction of exercises or exams is a great help. Most web learning applications generate tests with single, multiple, or text answers, or the use of closed-solution problems where only the student’s final answer is validated. The complexity increases when we try to score a text, but the most difficult evaluation is in the field of Graphic Engineering, inside CAD/CAM environments. The student assessment usually uses the revision of a digital file with a solution. While it is true that some software may offer tools to compare files, these are focused on the search for differences in their own versioning. When the 3D industrial model is created by students, the tools, planes or geometric sketches are very varied, and an automated assessment is not a simple task. This paper attempts to offer a possible way for the automated correction of the 3D modelling in industrial parts based on some parameters proposed. A programme, called CPIT (Corrector of Three-Dimensional Industrial Parts), has been designed to evaluate the similarity between parts within the CATIA® V5R19 environment using Visual Basic for Applications (VBA). This first version has been tested successfully with several exercises and it is necessary to improve some aspects of it, such as its performance in complex pieces or Boolean operation.
Personalized Flipped Classroom
(Springer Nature, 2023) Sein-Echaluce, María Luisa; Fidalgo Blanco, Ángel; Martín-Núñez, José Luis; Verdú Vázquez, Amparo; García Ruesgas, Laura; Ingeniería Gráfica; Universidad Politécnica de Madrid; TIC214: Modelado Multiescala y Tecnologias Emergentes en Bioingenieria
In this research work, a Personalized Flipped Classroom model has been developed and applied, consisting of carrying out a personalized lesson at home. The model allows students to learn the lessons and carry out micro-activities based on their level of knowledge and preparation. The model is designed by establishing groups of students according to their level of knowledge and, in this way, personalized activities are designed for each group, which are carried out cooperatively and collectively. The model was applied in an engineering subject and to carry out the study of the experience, a control group with 38 students and an experimental group with 35 students were established. The results of the experience show an improvement in the performance of the students as a result of the personalized activities designed. In addition, the designed model has encouraged students to self-organize themselves by levels of knowledge in other complementary activities to the Flipped Classroom (FC) method, such as tutorials
Synthetic generation of Monge Surfaces through folding and its applications to the design of architectural envelopes
(Editorial Sociedad Iberoamericana de Gráfica Digital, 2024-11-13) Martín Pastor, Andrés; González Quintial, Francisco; Ingeniería Gráfica; Herrera, Pablo C.; Gómez, Paula; Estévez. Alberto T.; Torreblanca Díaz, David A.; HUM976: Expregráfica. Lugar, Arquitectura y Dibujo
This work is based on the reinterpretation of the Monge Surface through the logic of growth by folding, in a context of hybridization between digital processes and digital fabrication. We propose the construction of a discrete Monge Surface from the movement of a set of flat surfaces superimposed and linked to each other. The generation law that we propose presents certain conditions that guarantee that the generated meshes have specific geometric properties, which will be relevant for the design and materialization of architectural envelopes. Finally, we present different case studies and their application in architecture.
Discrete Variable Conditional 3D Models in Computer Extended Descriptive Geometry (CeDG): Preliminary Study on Cylindrical Polygonal Sheet-Metal Elbow
(Springer Nature, 2024-02-02) Prado-Velasco, Manuel; García Ruesgas, Laura; Ingeniería Gráfica
Computer extended Descriptive Geometry (CeDG) technique has demonstrated its ability to build parametric computational models of 3D systems supported by Descriptive Geometry procedures in previous studies. When a parameter causes a non-continuous and qualitative change in the 3D model, it requires an additional logic. The treatment of visibility is a well-studied example of qualitative changes that are associated with continuous parameters. We are interested in qualitative changes associated with discrete parameters (discrete variable conditional 3D models). This work deals with the preliminary study of a methodology for the construction of such 3D models. A cylindrical polygonal sheet-metal elbow model of n ferrules (neutral surface) with the ability to cater for the change of variable n (n > 2, discrete) is used in this work as a target system to study the limits and accuracy of CeDG based on GeoGebra in the construction of discrete variable conditional models. We successfully achieved a conditional CeDG model (3D), including the flat pattern, for any number of ferrules. This model overpasses the scope of the polygonal elbow model from LogiTRACE v14, which is restricted to n<=12. In addition, flat patterns in CeDG are exact in opposition to that of LogiTRACE, which are prismatic approximation with a given number of generatrices.
Intersection Between Surfaces Using Computer Extended Descriptive Geometry (CeDG): Application to the Focal Illumination of a Sphere
(Springer Nature, 2023-02-14) Prado-Velasco, Manuel; García Ruesgas, Laura; Ingeniería Gráfica
Computer Extended Descriptive Geometry (CeDG) is a new approach to computer modelling of 3D geometric systems that tries to overcome several limitations of current CAD systems. A preliminary version of CeDG for GeoGebra has demonstrated advantages in sheet metal and mechanisms field. This paper develops the theoretical basis of the Locus-based Surfaces’ Intersection Method (LSIM) of CeDG and compares it against the standard Descriptive Geometry technique, through the calculation of the illumination of a sphere by a focal light beam. Results showed that, in opposition to standard Descriptive Geometry technique, the LSIM CeDG model combines less complexity (geometric procedure requires only one iteration) with the capability to be extended to other parameters’ values and projections, keeping the compliance with geometrical requirements. Accuracy metrics have demonstrated that LSIM can generate the exact (true) surface intersection curve through its projections, thanks to the geometric integrity of the underlying dynamic geometry software (GeoGebra).
Técnicas de levantamiento arquitectónico aplicadas al arte textil sacro
(Universitat Politècnica de València, 2024-07-30) Antón García, Daniel; León Muñoz, Miguel Ángel; Infante Perea, Margarita Mª; Martín del Río, Juan Jesús; Cantillana Merchante, Concepción; Construcciones Arquitectónicas II; Expresión Gráfica e Ingeniería en la Edificación; Ingeniería Gráfica; Universidad de Sevilla; TEP970: Innovación Tecnológica, Sistemas de Modelado 3D y Diagnosis Energética en Patrimonio y Edificación; TEP172: Arquitectura: Diseño y Técnica; TEP156: Ingeniería Gráfica y Cartográfica
Este trabajo describe el proceso de digitalización del manto de Salida de Nuestra Señora del Socorro, titular de la hermandad del Amor. Se trata de una pieza emblemática del arte textil sacro sevillano. El objeto de estudio tiene unas dimensiones de 4,80 x 4,60 metros, confeccionado en terciopelo granate sobre el que se aplica un denso bordado en oro. Realizado en 1957, el manto ha sido sometido a un proceso de restauración durante los dos últimos años. Al término de este proceso, se realiza una virtualización transfiriendo técnicas de levantamiento arquitectónico a la documentación de su estado restaurado. En el proceso de trabajo se han mezclado técnicas de planificación de vuelo provenientes de la fotogrametría aérea, con equipos topográficos y fotográficos propios de la fotogrametría terrestre. Los resultados obtenidos, en alta resolución, consisten en un banco de imágenes, modelos digitales, ortofotos y secciones, así como vídeos destinados a favorecer la divulgación del bien. Estos productos permiten un profundo análisis de la geometría y de las técnicas y materiales empleados sobre el manto, elementos de gran utilidad para la conservación preventiva. El trabajo, pionero en objetos textiles de estas características, ha precisado adaptar las técnicas y los equipos al entorno de trabajo de un taller de bordado, así como a las sutilezas que imponen los materiales textiles, brillantes y sagrados sobre los que se ha actuado.
Large-scale photogrammetry: the case of the Roman baths of Alange, Badajoz (Spain)
(Universidad Politécnica de Valencia, 2024) Conejero Gascón, David; Millán Millán, Pablo Manuel; Infante Perea, Margarita Mª; Cantillana Merchante, Concepción; Proyectos Arquitectónicos; Ingeniería Gráfica; Viñals, María José; López González, Concepción
Photogrammetry applied to heritage documentation has undergone significant development in recent years. The research objective we present is to synthesise the result of the work carried out by employing and studying the application of large-scale photogrammetric techniques in an integrated manner coherently and exhaustively. This research has been applied in the Roman Baths of Alange case, which was declared a World Heritage Site (UNESCO, 1993). This significant ensemble lacks detailed planimetric documentation and archaeological interventions. This research has established a comprehensive overview of the difficulties affecting the characteristics of the photogrammetric technique and its development in architecturally complex, narrow, enormous, and data collectionchallenging places. This has been reflected in a point cloud of the surveyed site. Thus, the aim is to understand the scope of the technique and analyse each of its characteristics.
The Etruscans in 3D: from space to underground
(Faculty of Civil Engineering, Czech Technical University in Prague, 2011-12-21) Remondino, Fabio; Rizzi, Alessandro; Jiménez Fernández-Palacios, Belén; Agugiaro, Giorgio; Baratti, Giorgio; De Amicis, Raffaele; Ingeniería Gráfica
Geomatics and Geoinformatics deal with spatial and geographic information, 3D surveying and modeling as well as information science infrastructures. Geomatics and Geoinformatics are thus involved in cartography, mapping, photogrammetry, remote sensing, laser scanning, Geographic Information Systems (GIS), Global Navigation Satellite Systems (GNSS), geo-visualisation, geospatial data analysis and Cultural Heritage documentation. In particular the Cultural Heritage field can largely benefit from different Information and Communication Technologies (ICT) tools to make digital heritage information more informative for documentation and conservation issues, archaeological analyses or virtual museums. This work presents the 3D surveying and modeling of different Etruscan heritage sites with their underground frescoed tombs dating back to VII-IV century B.C.. The recorded and processed 3D data are used, beside digital conservation, preservation, transmission to future generations and studies purposes, to create digital contents for virtual visits, museum exhibitions, better access and communication of the heritage information, etc.
Deformaciones locales en el primer plano urbano completo de Sevilla: hallazgos inéditos desde un nuevo enfoque
(Ediciones UPCT (Universidad Politécnica de Cartagena), 2022) Aguilar Camacho, Joaquín; Granado Castro, Gabriel; Cabrera Revuelta, Elena; Ingeniería Gráfica; TEP156: Ingeniería Gráfica y Cartográfica
La comparación visual o mediante superposición constituyen metodologías de análisis, cada vez menos utilizadas en la literatura, para el estudio de la exactitud posicional de un mapa histórico. En ellas, se sustentan dos trabajos previos acerca de las deformaciones presentes en el primer plano urbano completo y conocido de la ciudad de Sevilla (1771). Este trabajo vuelve a evaluar la exactitud del conocido como plano de Olavide, en referencia a su promotor, aplicando un enfoque metodológico diferente. El carácter innovador subyace en dos aspectos: el análisis, por separado, de las cuatro hojas que componen el plano y la aplicación de una herramienta específica para la visualización local de las deformaciones presentes en un mapa histórico, como es el caso de MapAnalyst. La exactitud de la escala y la orientación del plano, también han sido comprobadas con ayuda de esta aplicación. Los resultados permiten ampliar con nuevos datos la información divulgada, hasta la fecha, sobre la exactitud del primer testimonio gráfico de la ciudad. Además, el estudio pormenorizado de las deformaciones locales presentes en el documento aporta un novedoso hallazgo, en relación al procedimiento de levantamiento seguido, que cuestiona la principal hipótesis sostenida hasta el momento.
Quadrics theorems as an introduction to geometry, parametric design and digital fabrication
(2015) Narváez Rodríguez, Roberto; Barrera Vera, José Antonio; Ingeniería Gráfica; TEP156: Ingeniería Gráfica y Cartográfica
The Caterpillar gallery was a teaching innovation project intended to integrate geometry, parametric design and digital fabrication at the earliest stage of the undergraduate training period. This paper shows the contents, based on this project, of the workshop carried out within the 33rd eCAADe conference, Vienna 2015. The geometrical principles -stemming from certain quadrics theorems-, the parametric definition and the digital fabrication of the reduced-scale model executed in the workshop are outlined and illustrated.

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