The new rich-media version of our book is now available for free on the Apple iBook Store: https://itunes.apple.com/us/book/low-cost-3d-printing-for-science/id655083026?mt=11 It is also linked on: http://sdu.ictp.it/3D/book.html In addition to the great content already available in the PDF version (already linked on Thingiverse: http://www.thingiverse.com/thing:91556), it contains/links to video, interactive 3D material and photo album. Among the many authors, it's worth mentioning two articles by A. Rannellucci (lead developer of Slic3r) and M. Kintel (lead developer of OpenSCAD). This version was edited by Carlo Fonda and Gaia Fior (http://32b.it). An ePub version is also in preparation. Note: the downloadable file here is not the book! You should get it directly from the iBook Store (with an iPad or iTunes).Table of Contents Preface Introduction Low-cost 3D Printing for Science, Education and Sustainable Development by Enrique Canessa 3D Printing: Glossary Low-cost 3D Printing A Practical Guide to Your First 3D Print by Carlo Fonda The Role of Open Source Software and Hardware in the 3D Printing Revolution by Marco Zennaro Plug-n-Play, Do-It-Yourself Kits and Pre-assembled 3D Printers by Gaya Fior Reprap, Slic3r and the Future of 3D Printing by Alessandro Ranellucci 3D Modeling with OpenSCAD - Part 1 by Sebastian Büttrich 3D Modeling with OpenSCAD - Part 2 by Marius Kintel Low-cost 3D Printing for Science Illustrating Mathematics using 3D Printers by Oliver Knill, Elizabeth Slavkovsky Science and Art: Periodic Tessellations by Gian Carlo Ghirardi Printable ALICE 3D Models at CERN by Stefan Rossegger Large Scale 3D Printing: from Deep Sea to the Moon by Valentina Colla, Enrico Dini Trabecular Bone Modeling with Support of 3D Printing of Physical Replicas by Waldir L. Roque Low-cost 3D Printing for Education Using 3D Printers at School: the Experience of 3drucken.ch by Gregor Lütolf Prehistoric Collections and 3D Printing for Education by Louise Leakey, Tatjana Dzambazova 3D Printing in Art Installations by Daniel Pietrosemoli From Math to Jewel: an Example by Gaya Fior