DIGITAL FABRICATION IN ARCHITECTURE Published in 2012 by Laurence King Publishing Ltd 361–373 City Road London EC1V 1LR Tel +44 20 7841 6900 Fax +44 20 7841 6910 E [email protected] www.laurenceking.com Design copyright © 2012 Laurence King Publishing Limited Text © Nick Dunn Nick Dunn has asserted his right under the Copyright, Designs, and Patent Act 1988, to be identified as the Author of this work. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without prior permission in writing from the publisher. A catalog record for this book is available from the British Library. ISBN 978 185669 891 7 Designed by John Round Design Printed in China Front cover: Nordpark Cable Railway, Innsbruck, by Zaha Hadid © Roland Halbe NICK DUNN DIGITAL FABRICATION IN ARCHITECTURE Laurence King Publishing Contents 06 Introduction 74 INTEGRATION 14 A brief history 76 Introduction 20 Fabricating architecture 77 Hybrid techniques in the digital age 84 Nonstandard design and mass 24 About this book customization 25 Getting started 88 Digital fabrication principles 26 Digital tools and machines 90 Laser cutting for fabrication 96 CNC milling and routing 102 Rapid prototyping 30 GENERATION 108 3-D scanning 111 Robotics 32 Introduction 34 CAD 40 NURBS 116 STRATEGIES 44 Meshes 118 Introduction 49 Curvilinear formations 120 Nonlinearity and indeterminacy 54 Parametric and generative design 121 Digital tooling 60 Algorithmic architecture 130 Contouring 66 Morphogenesis 140 Folding 148 Forming 158 Sectioning 166 Tiling 176 Future fabrication of architecture 184 Conclusion 186 Glossary 187 Further reading 188 Index 192 Acknowledgments Related study material is available on the Laurence King website at www.laurenceking.com 6 Introduction Architecture is fundamentally concerned with two core software, which allows parametric systems and complex activities: designing and making. Of course, these are “biological” organizations to be generated and explored, not mutually exclusive and often inform one another in a offers new avenues of holistic design production and detailed continuous dialogue as projects progress from concepts, component manufacturing for the architectural designer. through design development, to final form—typically These massive shifts in design processes have implications in the realization of a building. The ability to effectively material culture far beyond the discipline of architecture, as communicate creative ideas remains a central aspect ever more research and development is conducted at cross- of the discipline. With the development of numerous disciplinary levels worldwide. In addition, the application Computer-Aided Design (CAD) and other software of CAD technologies as part of the production of physical packages, the variety of design processes available models and prototypes is becoming increasingly widespread to architects, which may influence the fabrication of through processes such as CAD/CAM (Computer-Aided architecture and its components, is greater than ever. Manufacture), Computer Numerical Control (CNC) milling, Of specific interest in this field is the recent capability to and rapid prototyping. The translation of computer- integrate analog and digital techniques and processes generated data to physical artifact is not a one-way street; to produce physical objects, whether three-dimensional processes may be reversed with equipment such as a three- concept diagrams, scale models, or full-size prototypes. dimensional scanner, or digitizer, which is used to trace The increasing proliferation of computers and advanced contours of physical objects directly into the computer. modeling software has enabled architects and students Therefore, this book will focus on the inspiring possibilities alike to conceive and construct designs that would be offered by digital fabrication for architecture, with all the very difficult to develop using traditional methods. In different technologies and techniques that are now available particular, the emergence of new computational modeling for the holistic and componential making of designs. Above Above right The prevalence of digital images in the The pursuit by Supermanoeuvre of innovative design and communication of architecture design and fabrication processes is typified by is commonplace. Even so, this imposes no Supermatter I, where a mould was first designed limits on designers’ creativity—as is shown algorithmically. Fused Deposition Modeling by this digital montage for NOX’s proposal was used to 3D print a positive so that a bronze for The Three Graces hotel and office towers cast could be produced via a lost mould process in Dubai. The design is based on the idea to form a complex self-supporting structure. of a “networked” skin offering a symbolic Prototyping of this nature has significant gateway to the Khor Dubai Wharfage. potential for architecture as full structures may be realized from lightweight formwork. Introduction 7 Above This stereolithographic prototype of the skeletal structure for Kokkugia’s project Fibrous Tower is part of a series of investigations that explore the generation of ornamental, structural, and spatial order through an algorithmic design methodology. Conceived as a load-bearing shell that distributes forces across its network, the physical model is a direct translation of the sophisticated design data that satisfies such criteria. Right Zaha Hadid’s Mobile Art Pavilion for Chanel takes advantage of digital imaging and construction processes to create a design with fluid geometries and dynamic space. Below Digital fabrication techniques provide architects with a spectrum of applications, transforming even long-held traditional methods of representation such as modelmaking. This digital model for Coop Himmelb(l)au’s design for BMW Welt, Munich, was used to make laser-cut components to achieve 4th its complex geometrical formal qualities. 3rd 2nd 1st 8 Introduction The design for Hills Place, London, by Amanda Levete Architects, developed this sculptural façade as a logical response to the narrow street, thereby maximizing the natural daylight available. The form is achieved through a system of aluminum profiles, more commonly used in the production of ship hulls. The façade is fabricated using curved 5½-inch (140mm) profiles that are connected on site. The metallic silver coating is a high- performance paint typically applied to the surface of yachts. Self-cleaning glass and discreet hidden gutters ensure the façade retains its sculptural qualities. Introduction 9 Right The architectural possibilities of developments in material technology continue to increase, fueled by digital fabrication methods. For the Swarovski Crystal Palace, Greg Lynn FORM developed an installation utilizing cutting-edge technology from the nautical industry, in which carbon and aramid fibers are sandwiched between transparent Mylar™ sheets to produce a series of very strong yet lightweight “sails” less than 1/25 inch (1mm) thick. With their potential application as spatial dividers or enclosures for future projects, the innovative design may provide a key stage for more research and development. 4th 3rd Above Above 2nd Vector Wall by Reiser + Umemoto demonstrates Research into materials and their design 1st the ways in which a laser cutter may be used opportunities informs the work of Barkow to perforate a flexible or semiflexible material Leibinger—as shown in their speculative with multidirectional patterning, reinterpreting Coil Tubes. Using laser-cutting technology the common wall. The model illustrated to form a spiraling pattern on a rotating here was further developed as a full-size steel tube, the subsequent geometry allows prototype to explore the potential application flexibility while segments also remain locked of the design and its adaptability. Refer to together. By the addition of LEDs into the page 142 for how the project developed. tube, variable lighting effects are possible dependent on the degree of bending. 10 Introduction Left Office for Metropolitan Architecture’s (OMA) design for the China Central Television (CCTV) Headquarters proposed a digital media façade, allowing the building to display moving images and footage across its envelope. Left and above The Gwanggyo Power Center near Seoul, designed by MVRDV, has been developed using a combination of digital design tools and manual modelmaking techniques. This hybrid process of creative flow between different modes of investigation is characteristic of the evolving nature of digital design in architecture. Left Foreign Office Architects’ (FOA) seminal design for the Yokohama International Port Terminal, completed in 2002, coupled the concept of folded surfaces as circulation loops with the tectonic realization afforded by digital design tools.