Ernesto Olmedo Crespo _ Parametric Design Project

Servicio CNC para arquitectura y dise単o CNC services for architecture and design

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3D_HONEYCOMB

PARAMETRIC DESIGN + DIGITAL FABRICATION

PARAMETRIC

DESIGN COURSE Final Project December 2013

www.controlmad.com

To my family.

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ABSTRACT 3D_HONEYCOMB

PARAMETRIC DESIGN + DIGITAL FABRICATION This project / experiment should be taken as an example and application of an idea based on a theme that although it has been covered extensively in parametric architecture, its purpose is to make a simplified exercise and bring it to the level of manufacturing prototype .

Exercise which aims to find the most efficient way to develop this type of modular structures in a rather traditional way .

The concept of the modular structure of hexagons projected on different surfaces , thereby creating a piece whose purpose can be both a cabinet/display and also as a demonstration scale model of a facade of a building.

The idea is to put into practice the knowledge acquired in the field of Parametric Design and take it until the manufacturing through the tools provided . At the same time it is expected to get a simple yet visually attractive shape and to show the applicability of parametric design programs .

It seeks to define a sequence within Grasshopper that is flexible enough to be easily adapted to different situations or scenarios , through variables that allow control of the design and that it remains functional .

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ABSTRACT 3D_HONEYCOMB

DISEÑO PARAMÉTRICO + FABRICACIÓN DIGITAL El presente proyecto/experimento debe ser tomado como una muestra y aplicación de una idea basada en un tema que si bien es cierto ha sido abarcado ampliamente en la arquitectura paramétrica, su propósito es el de realizar un ejercicio simplificado y llevarlo a nivel de fabricación del prototipo.

Ejercicio con el que se pretende encontrar la manera mas eficiente de desarrollar este tipo de estructuras modulares de un manera bastante artesanal.

El concepto parte de la estructura modular de hexágonos proyectados en distintas superficies, creándose de esta manera una pieza cuyo propósito puede ser tanto de un mueble de demostración y a la vez como maqueta a escala de una fachada de un edificio.

La idea es poner en práctica el conocimiento adquirido en el tema de Diseño Paramétrico y llevarlo estrictamente hasta su fabricación a través de las herramientas proporcionadas. Al mismo tiempo se espera conseguir una figura visualmente atractiva y a la vez simple que sea muestra de la aplicabilidad de los programas de diseño paramétrico.

Se busca definir una secuencia dentro de Grasshopper que sea lo suficientemente flexible para que se adapte fácilmente a diferentes situaciones o escenarios, a través de variables que permitan el control del proyecto y que siga siendo funcional.

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INDEX

I.

INTRODUCTION

II. PROJECT: 3D HONEY COMB

//BACKGROUND.REFERENCES

//CONCEPT.SKETCHES

//STRATEGIES

//PROCESSES

_G.H.DEFINITION

_CNC.FABRICATION III. CONCLUSIONS IV. REFERENCES V.

BIBLIOGRAPHY

APPENDIX. PARAMETRIC DESIGN COURSE

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RHINOCEROS GRASHOPPER BASICS G.H. TO DIGITAL FABRICATION SAGRADA FAMILIA. CASE STUDY VRAY FOR RHINO G.H. ADVANCED. GECO G.H. ADVANCED. WEAVERBIRD G.H. ADVANCED. KANGAROO G.H. ADVANCED. GHOW G.H. ADVANCED. ARDUINO/FIREFLY

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INTRODUCTION

While parametric design has been featured in much of the architecture of Vanguard from about a decade ago, it remains as a tool little known among many contemporary architects as user level, minimum. In the following pages I try to summarize the first contact as a user with tools of parametric design and digital fabrication. From the course of 380 hours ( ControlMad , Madrid) , the goal was to develop a project that would include generating a parameter definition using Grasshopper and digital Frabrication on a manageable scale , based on a figure of hexagonal cells ( honeycomb ) , which function is to visualize in a very general manner or schematically the possible solutions and cutting joints to develop in a future what it can be either a piece of furniture , an outdoor facade or a roof structure. Here it will be presented graphically the strategies , processes and results obtained in each stage.

Si bien es cierto el diseño paramètrico ha sido protagonista en gran parte de la Arquitectura de Vanguardia desde ya hace aproximadamente una dècada, sigue siendo una herramiento poco conocida entre muchos arquitectos contemporáneos a nivel de usuario como mìnimo. En las siguientes pàginas trato de resumir el primer contacto como usuario con herramientas de diseño paramétrico y fabricaciòn digital.

A partir del curso de 380 horas (ControlMad,Madrid), el objetivo fue el desarrollar un proyecto que incluyera la generación de una definiciòn de parámetros utilizando Grasshopper y su frabricaciòn digital en una escala manejable, partiendo de una figura a base de celdas hexagonales (honeycomb), cuya función es la de visualizar de manera muy general o esquemática las posibles soluciones de uniones y despiece para desarrollar a futuro lo que puede ser tanto un mueble, una fachada exterior o estructura de una cubierta. Se presentará de manera gráfica las estrategias a seguir, los procesos y resultados obtenidos en cada etapa.

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CONCEPT.IDEA.SKETCHES

The original idea is to develop modular structure system based on hexagonal tilings on a surface that would provide closure for a pavilion. The proposal is to generate a definition of parametric design that allows working with a number of variables that result in a structure that can be adapted to specific conditions, either environmental or functionality.

La idea original es desarrollar un sistema de estructura modular basado en teselaciones hexagonales sobre una superficie que serviría de cerramiento para un pabellón. La propuesta consiste en generar una definición de diseño paramétrico que permita trabajar con un número determinado de variables que den como resultado una estructura que se pueda adaptar a condiciones específicas, ya sea del entorno o de funcionabilidad.

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Natural Honeycomb modules and Reference of Displays for interior spaces or retailing.

References. Works of parametric disign based on honeycombs

Each hexagon of different size follows a plane of an underlying form, this is also called a planar tessellation http://74fdc.wordpress. c o m / 2 0 1 2 / 0 2 / 1 0 / structural-tessellationsand-morphologies/ ERNESTO

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The Grasshopper definition extracts the honeycomb structures from two surfaces, this allows the system to adapt better to a pre established place http://designplaygrounds. com/projects/honeycombmorphologies-rhinograsshopper/

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

PROCESSES.STRATEGIES For this project / experiment it was decided to refine the idea of ​​ a complete pavillion and it was simplified into a design consisting of a wall section of double curvature. The project is divided into two essential parts: Para la generación de este proyecto/experimento se decidió depurar la idea de un pabellón completo y se partió de un diseño que consistía en una sección de pared de doble curvatura. El proyecto se divide en sus dos partes escenciales: //GRASSHOOPPER DEFINITION //FABRICATION

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PROCESSES.STRATEGIES G.H.DEFINITION INPUTS. Being the start point a double curved wall and main input to the definition: four curves that generate the initial surface.

SURFACES. The surface source is doubled/repeated, to create the depth or volume of the piece. The hexagonal modulation is projected onto both surfaces, creating a lot of points and curves that will be the basis for extruded panels.

ENTRADAS. Siendo la pared de doble curvatura el punto de partida, y como entrada principal a la definici贸n: cuatro curvas que generan la superficie inicial.

SUPERFICIES. La superficie de origen es duplicada, para crear la profundidad o volumen de la pieza. La modulaci贸n hexagonal es proyectada sobre ambas superficies, creando una gran cantidad de puntos y curvas que seran la base para los paneles extruidos.

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PROCESSES.STRATEGIES G.H.DEFINITION DUPLICATED GEOMETRY. At this stage it was important to take into account the duplication of curves and points, removing them using the plugin Kangaroo, thereby reducing errors when joining two surfaces.

UNIONS/JOINTS. Having cleared the points, from them it was created the reference lines to locate planes and location of each carrier link/joint respectively. Considering a circular geometry and an established radius according to the model scale manufacturing.

REPETICIÓN DE GEOMETRÍA. En esta etapa fue importante tomar en cuenta la duplicación de curvas y puntos, removiendolos utilizando el plugin de Kangaroo, permitiendo reducir los errores al momento de unir ambas superficies.

UNIONES. Teniendo los puntos depurados, se creó a partir de ellos la lìneas de referencia para ubicar los planos de trabajo y ubicación de cada unión de soporte respectivamente. Tomando en cuenta una geometría circular y un radio establecido de acuerdo a la escala del modelo a fabricar.

Joints. Support Points between panels.

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PANELS. The main panels were created from polylines from each of the two original surfaces. At this stage, a consideration was a separation between panels (offset), which corresponds to the spacing and size of the joint design.

PANELES. Los paneles principales fueron generados a partir de las polilineas de cada una de las dos superficies originales. En esta etapa se tomó en consideración una separación entre paneles (offset), que corresponderá al espaciamiento y dimensiones del diseño de las juntas.

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PROCESSES.STRATEGIES G.H.DEFINITION TOLERANCES. To create the different geometries (joints and panels) it were added tolerance values ​​ according to the material used in the subsequent production, in this case 0.3 mm to 5.2 mm material thickness.

SOLID DIFFERENCE. Between panels and joints, a Boolean difference was applied to obtain the final cutting polylines. It was necessary to use Rhinoceros at this stage then enter the resulting geometries and continue with the definition.

TOLERANCIAS. Para la creación de las diferentes geometrías (uniones y paneles) se agregaron valores de tolerancia según el material a utilizar en la posterior fabricación, en este caso de 0.3 milímetros para un material de 5.2 milímetros de espesor.

DIFERENCIA ENTRE SÓLIDOS. Entre paneles y uniones se aplicó una diferencia booleana para tener las polilíneas de corte definitivas. Fue necesario utilizar RhinoCeros en esta etapa para luego introducir las geometrías resultantes y continuar con la definición.

Typical joints diagram.

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Rear View

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Front view

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Aerial View

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Orthogonal Views

Top

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Right 3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

PROCESSES.STRATEGIES CNC.FABRICATION

_TAGS/LABELS _CUTTING LINES _NESTING _RHINO CAM _CNC MACHINE _ASSEMBLY

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PROCESSES.STRATEGIES CNC.FABRICATION CUT LINES. The above results were parameterized back into Grasshopper and were oriented on the XY plane in order to subtract and organize the final “nesting” of the prototype. At this stage it was necessary to evaluate the respective origin planes of each of the surfaces.

LINEAS DE CORTE. Los resultados anteriores fueron parametrizados de vuelta a Grasshopper y fueron orientados sobre el plano de construcciòn XY para poder substraer y organizar el “nesting” final del prototipo. En esta etapa fue necesario evaluar los respectivos planos de origen de cada una de las superficies.

Orient cutting lines and tags.

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PROCESSES.STRATEGIES CNC.FABRICATION

Nesting. Panels 122 cm x 244 cm

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RhinoCam Preparation File for CNC machine

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

PROCESSES.STRATEGIES CNC.FABRICATION

Project Nesting and CNC Machine.

Each nesting was drawn in panels of 122 cm x 244 cm.

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Panels and joints.

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

PROCESSES.STRATEGIES CNC.FABRICATION

Numbered Joints.

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PROCESSES.STRATEGIES CNC.FABRICATION

First Modules Assembled.

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PROCESSES.STRATEGIES CNC.FABRICATION

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Baseline...

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CONCLUSIONS //IN GENERAL . I believe that during the time of development both as the course, as the final project it has been achieved efficiently apply the concepts discussed. The topics addressed were mostly very dynamically and effectively. This being the introduction to the vast field of parametric design , giving us the basic for the future development of more professional tools . //PROJECT . In preparing the final project , some strategies that was followed can be improved taking into account other control parameters :

_Generation of The initial surfaces. By the estrusion of points from the outer surface to a common center point. so that it can be created a different interior surface. _Improve Parameters defining the number of columns and rows of cells , to make it more flexible. _Improve the Design of joints between the boards or panels and create orientation controls variables for easy identification .

//EN GENERAL. Considero que durante el tiempo del desarrollo tanto del curso como del proyecto final, se ha logrado aplicar de manera eficiente los conceptos tratados. Los temas fueron abordados en su mayor parte de manera muy dinámica y efectiva. Siendo esto la introducción al vasto campo del diseño paramétrico, dándonos las herramientas básicas para el desarrollo a futuro de manera más profesional. //EL PROYECTO. En la elaboraciòn del proyecto final, se siguió algunas estrategias que pueden ser mejoradas tomando en cuenta otros parámetros de control:

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_Generación de la superficies iniciales, a partir de estrusión de puntos desde la superficie exterior a un centro en común, y así poder trabajar con una superficie interior diferente. _Mejorar la definición de los parámetros de la cantidad de columnas y filas de las celdas, para que sea más flexible. _Mejorar el diseño de las Juntas o uniones entre paneles y/o crear controles de la orientaciòn de las piezas para su fácil identificación.

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CONCLUSIONS //LEARNING . Management of parametric design tools are essential in the practice of contemporary architecture and I think that the knowledge gained has been wide and spot on the main themes of Rhinoceros and Grasshopper. It is the beginning of an ongoing process of research, practice , and production.

In addition, each exercise performed allow us to reduce the execution times when developing complex shapes and also taking into consideration energy efficiency components , structural, functionality and interactivity. //OPPORTUNITIES FOR IMPROVEMENT . From foreground, I think it is important to continue developing more digital manufacturing practice and learn as much related commercially available that improve the professional and research in design and architecture field tools . //The development of this project was a tool to measure the knowledge and skills acquired and put into practice. Thus can be said to have to strengthen some areas as management of digital fabrication tools and interactivity of Grasshopper with other design softwares. //APRENDIZAJE. El manejo de las herramientas de diseño paramétrico son escenciales en la práctica de la arquitectura actual y considero que el conocimiento adquirido ha sido amplio y puntual en los principales temas de RhinoCeros y Grasshopper. Es el inicio de un continuo proceso de investigaciòn, práctica, y producción. Por otro lado, cada ejercicio realizado nos permitirá reducir los tiempos de ejecución al momento de desarrollar formas complejas y también tomando en consideraciòn componentes de eficiencia energética, estructurales, funcionabilidad y de interactividad. //OPORTUNIDADES DE MEJORA. A partir de los conocimientos adquiridos, considero es importante continuar desarrollando más la práctica en fabricación digital y conocer la mayor cantidad de herramientas relacionadas disponibles en el mercado que sirvan para mejorar en el campo profesional y de investigación en diseño y arquitectura. //La elaboración del presente proyecto fue una herramienta para medir el conocimiento y habilidades adquiridas y ponerlas en práctica. Con lo cual se puede decir que tengo que afianzar algunas áreas como manejo de herramientas de fabricación digital e interactividad de grasshopper con otros programas de diseño.

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REFERENCES

INTERNET http://improved.ro/blog/?p=1099 CLJ02: ZA11 Pavillion, June 28th, 2011 http://vimeo.com/album/2282897 Studio Air http://designplaygrounds.com/projects/how-to-create-planar-hexagons-using-planarization-forces/ http://www.designcoding.net/rhombille-tiling-on-surface/ http://www.plethora-project.com/education/ http://digitalsubstance.wordpress.com/subcode/

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BIBLIOGRAPHY

BOOKS From Control to Design. Parametric/Algorithmic Architecture Edited by Tomoko Sakamoto, Albert FerrĂŠ ISBN 978-84-96540-79-8 www.actar-d.com Arquitectura Digital: Nuevas Aplicaciones Arquitectura Digital: Escenarios Futuros Edition 2013, Dimitris Kottas LinksBooks www.linksbooks.net Essential Mathematics for Computational Design Third Edition, Rajaa Issa Robert McNeel & Associates The Grasshopper Primer, Second Edition for version 0.6.007 2009, Andrew Payne & Rajaa Issa www.grasshopper.rhino3d.com

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APPENDIX

Overview of projects and exercises made in the workshops of Parametric Design Course of ControlMad, Madrid, Spain.

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UNIT I. RHINOCEROS Main Topics: Modeling with Rhino 5.0 Paneling Tools

Free-form modeling and structural developing for digital fabrication using tools like loft, contour an unroll.

3D Modeling Working complex facades projecting patterns onto surfaces ERNESTO

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UNIT II. GRASHOPPER BASICS Main Topics: Basics of grasshopper, Interface, Main components, modeling geometry, controllers, Attractors Points, Mathematics and Vectors components,

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UNIT III.

Main Topics:

Tools for digital fabrication with specialized softwares to file preparation as Cura and Rhino Cam. Including Prototyping of projects by 3d printer and CNC machine.

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3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT III.

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3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT III.

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3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT III.

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3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT III.

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3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT IV. SAGRADA FAMILIA. CASE STUDY

Visit to Sagrada Familia, Barcelona.

Master Class by Architect AndrĂŠs de Mesa at offices and workshop in situ.

Including a visit to the construction site with the architect and part of the architectural team of the project.

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UNIT IV. SAGRADA FAMILIA. CASE STUDY

Lecture at the conference room with Andrès de Mesa.

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UNIT IV. SAGRADA FAMILIA. CASE STUDY

Construction Site views.

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UNIT V.

VRAY FOR RHINO

The topic of this unit was to develop different skills that help us in the visual representation of our design projects covering the principal aspects such as Lights, physical sun, materials, bitmaps, exterior scenes, interior scenes, architecture, product design,

Exterior.architecture

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Industrial design

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT V.

Translucent/transparent materials

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VRAY FOR RHINO

Interiors.architecture

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT VI.

G.H. ADVANCED. GECO

Main topics: how we can connect grasshopper with Ecotect to Analyze any design using different tools of the plugin Geco for Grasshopper.

Mesh Exposure Shadow Studies Shadow Contours Simulations and Energy Analysis

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UNIT VII.

G.H. ADVANCED. WEAVERBIRD

Creating and editing meshes, Subdivision options, Weaverbird Utilities, WB Picture Frames WB Thicken and offset mesh

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UNIT VIII.

G.H. ADVANCED. KANGAROO

Main Topics: Kangaroo plugin Springs, Inflate and pressure, Quads, Bending 2d, Global minimum network, Curved coupling.

Curved coupling

Springs from curves and Unary Force

Typical GH definition

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UNIT IX. G.H. ADVANCED. GHOW

Topics Covered: UDP Broadcast, Network Link, Elevations from GPS, My Tracks Data,OSM, Processing Basics.

Elevation from Gps Data.

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Flickr density. Collecting data

3D_HONEYCOMB PARAMETRIC DESIGN + DIGITAL FABRICATION

UNIT X.

G.H. ADVANCED. ARDUINO/FIREFLY

In this workshop, different themes based on interactivity between Arduino and Grasshopper. exercises made through the development of circuits for controlling various sensors. the information collected through Arduino was handled in the platform of Grasshopper by the plugin Firefly.

Some exercises: Potenciometer, Theramin, ServoMotor(write/read), Level meter.

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contac info: ERNESTO F. OLMEDO CRESPO ARCHITECT Spain 633012712 Panama (507)6498-3691

(507)253-3883 eoc_arqdis@yahoo.com ernestoc26@hotmail.com ERNESTO

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