Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License Copyright (c) 2026 POK-RC Team Project: POKRION High-Speed Micro Quadcopter Platform 1. Copyright and Ownership All original designs, structural concepts, model files, documentation, software configurations, engineering drawings, and related materials contained in this repository are the intellectual property of the POK-RC Team. Primary Author: Yao Siqi Contributors: Guo Jiyuan Zhang Wei Unless otherwise stated, all content contained in this repository is considered an original work of the POK-RC Team and is protected under applicable copyright laws. 2. License Grant This project is released under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0). You may obtain a copy of the full license text at: https://creativecommons.org/licenses/by-nc-sa/4.0/ 3. Permissions Subject to the conditions of this license, you are granted the following rights: Share You may copy, download, and redistribute the materials contained in this repository in any medium or format. Adapt You may remix, transform, modify, or build upon the materials for the purposes of research, education, learning, and personal experimentation. Manufacture You may manufacture physical devices based on the design files included in this repository strictly for personal and non-commercial purposes. 4. Attribution Requirement Any use, redistribution, modification, or derivative work based on this project must provide appropriate credit to the original author and the POK-RC Team. Attribution must include at minimum: • reference to the POKRION project • identification of the POK-RC Team as the original developer • indication of any modifications made Example attribution statement: "Based on the POKRION project developed by the POK-RC Team." Failure to provide proper attribution constitutes a violation of this license. 5. NonCommercial Restriction Commercial use of this project or any derivative works is strictly prohibited without explicit written authorization from the copyright holder. Commercial use includes, but is not limited to: • selling products manufactured using the designs • selling drone kits based on the project • commercial manufacturing or mass production • commercial promotion or advertising using the design • paid services involving the design • selling modified versions of the design • selling digital design files derived from this project Organizations or individuals seeking commercial rights must obtain a separate commercial license from the copyright holder. 6. ShareAlike Requirement If you remix, modify, or build upon this project, you must distribute your derivative work under the same CC BY-NC-SA 4.0 license. You may not apply additional legal or technical restrictions that prevent others from exercising the rights granted under this license. 7. Scope of Open Source Materials The following materials included in this repository are considered part of the open-source release: • airframe structural design • aerodynamic shell and fairing STL models • open-source version of the two-blade propeller • structural documentation included in this repository 8. Materials Not Included in the Open Source Release The following items are NOT considered part of the open-source release and are not licensed under this license unless explicitly stated: • commercial propeller versions (including 3–7 blade variants) • specialized launch equipment or cooling stands • proprietary engineering data not included in this repository • unpublished performance optimization parameters • designs explicitly marked as proprietary or commercial 9. Usage Restrictions This project and any derivative works must NOT be used for: • military applications • weapon systems • armed drones • combat or tactical operations • development of weaponized aerial platforms 10. Safety Notice This repository describes an experimental high-speed UAV platform. Manufacturing, assembling, testing, or operating high-performance drones may involve significant risks, including but not limited to: • personal injury • property damage • equipment failure • regulatory violations • legal liability Users of this project are solely responsible for ensuring that their activities comply with all applicable laws and regulations within their jurisdiction. 11. Assumption of Risk Any person who manufactures, assembles, modifies, tests, or operates devices based on the materials contained in this repository does so entirely at their own risk. The authors and contributors assume no responsibility for any consequences resulting from the use of this project. 12. No Warranty This project is provided "as is", without warranty of any kind, express or implied. The authors and contributors make no guarantees regarding: • safety • reliability • performance • regulatory compliance • suitability for any particular purpose 13. Limitation of Liability Under no circumstances shall the authors, contributors, or copyright holders be liable for any damages arising from the use of this project. This includes, but is not limited to: • personal injury • property damage • financial loss • equipment damage • regulatory penalties • legal consequences 14. Commercial Licensing The copyright holder reserves the right to grant commercial licenses to individuals or organizations. Commercial rights are NOT granted under this open license. Any commercial use requires explicit written permission from the copyright holder. 15. Patent Rights This license does not grant any patent rights that may exist in relation to the technologies described in this project. The authors reserve the right to pursue patent protection for any technical aspects of this project. 16. Acknowledgment Certain early design inspirations were derived from open materials shared by Sunny (PROWESS V1.2). The POK-RC Team independently redesigned and significantly modified the structure and engineering implementation. 17. Governing Principle If any provision of this document is found to be unenforceable under applicable law, the remaining provisions shall remain in effect. 18. License Reference For the complete legal license text, please refer to: https://creativecommons.org/licenses/by-nc-sa/4.0/