International IEC ISO Standard ISO/IEC 25422 First edition Information technology 3D 2025-06 Manufacturing Format (3MF) specification suite Reference number ISO/IEC25422:2025(en) @ISO/IEC2025 IS0/IEC 25422:2025(en) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2025 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 40i: Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland @IS0/IEC 2025-All rights reserved i IS0/IEC25422:2025(en) Contents Foreword Introduction 1 Scope. 2 Normative references... Overview 3MF core specification. 5 3MF materials and properties extension .. 6 3MFproductionextension.. 3MFbeamlatticeextension. 8 3MFsliceextension 9 3MFsecurecontentextension. 103MFbooleanoperations extension. Bibliography @IS0/IEC 2025-All rights reserved ili IS0/IEC25422:2025(en) Foreword ISo (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)form the specialized system forworldwide standardization.National bodies that aremembers of Iso or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity.IsO and IEC technical committees collaborateinfields ofmutualinterest.Otherinternational organizations,governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. Theprocedures used to develop this document and those intendedfor its further maintenance are described in the Iso/lEC Directives, Part 1. In particular, the different approval criteria needed for the different types of document should be noted (see www.iso.org/directives or www.iec.ch/members experts/refdocs) IsO andIEC draw attentiontothepossibilitythatthe implementation ofthis documentmay involvetheuse of (a)patent(s).IsO and IEC takenoposition concerningthe evidence,validityorapplicabilityof any claimed patent rights in respect thereof. As of the date of publication of this document, IsO and IEC had not received notice of (a)patent(s) which may be required to implement this document.However, implementers are cautionedthatthismaynot representthelatestinformation,whichmaybeobtainedfromthepatentdatabase available at www.iso.org/patents and https://patents.iec.ch. ISO and IEC shall not be held responsible for identifyingany orall suchpatentrights. Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation of the voluntary nature of standards, the meaning of Iso specific terms and expressions related to conformity assessment, as well as information about Iso's adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html In the IEC, see www.iec.ch/understanding-standards. This document was prepared by JDF (as 3MF Specification Suite) and drafted in accordance with its editorial rules. It was adopted, under the JTC 1 PAS procedure, by Joint Technical Committee ISO/IEC JTC 1, Information technology. Any feedback or questions on this document should be directed to the user's national standards body. A complete listing of these bodies can be found at www.iso.org/members.html and www.iec.ch/national- committees. @IS0/IEC 2025-All rights reserved iv IS0/IEC25422:2025(en) Introduction The 3D Manufacturing Format (3MF) is a file format designed by the 3MF Consortium[1] to allow design applications to send full-fidelity 3D models for additiv