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___ ___ ___ _____ ___ _ _ ___ ___ _ ___ ___ / _ \| _ \ / __|_ _| __| \| |/ __|_ _| | | __| _ \ | (_) | / \__ \ | | | _|| .` | (__ | || |__| _|| / \__\_\_|_\ |___/ |_| |___|_|\_|\___|___|____|___|_|_\ By Golan Levin and Asa Foster III for FFFFF.AT, 2011 QR_STENCILER Version: 14 August, 2018 http://fffff.at/qr-stenciler-and-qr-hobo-codes/ By Golan Levin and Asa Foster III for FFFFF.AT Developed with Processing v.0198, a free, cross- platform Java programming toolkit for the arts. http://www.processing.org ABOUT This free program loads a user-specified QR code image, from which it generates a topologically correct stencil PDF, suitable for laser-cutting. INSTRUCTIONS >> QR_STENCILER has been tested in MacOSX 10.13.5. 1. Make a QR code image which embeds a short text. Try GoQR.me, Kaywa, or the Google Chart API. 2. Download and install 'Processing' from http://www.processing.org/download We used Processing version 3.4. 3. Unzip 'QR_STENCILER.zip' to a folder. 4. Put your QR code image in 'QR_STENCILER/data/' 5. Launch Processing and open 'QR_STENCILER.pde' 6. Press 'Run' (Command-R) to start the stenciler. 7. You will be prompted to Open your QR code image. A default will be opened if none is provided. 8. After doing so, the program will generate a stencil PDF in the 'data' folder. 9. That PDF can now be opened in your favorite CAD software, for laser-cutting cardboard, etc. 10.After marking your stencil, test it with a QR reader, such as TapMedia's free iPhone app. LICENSE QR_STENCILER shall be used for Good, not Evil. It is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License (by-nc-sa 3.0), as described at http://creativecommons.org/licenses/by-nc-sa/3.0/ You are free to distribute, remix, and modify QR_STENCILER, so long as you share alike and provide attribution to FFFFF.AT. The repackaging of QR_STENCILER as or into commercial software, is expressly prohibited. Please note that QR_STENCILER also enjoys protections under the GRL Repercussions 3.0 license, http://bit.ly/cc-repercussions. For other uses, please contact FFFFF.AT. The 100 QR_HOBO_CODES and their respective stencils are hereby dedicated to the public domain. WARRANTY This software is provided AS IS, without warranty of any kind, expressed or implied, including but not limited to the warranties of merchantibility, fitness for a particular purpose, and noninfringe- ment. In no event shall the authors be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with this software or its use. ACKNOWLEDGEMENTS QR_STENCILER was created by Golan Levin and Asa Foster III with support from the STUDIO for Creative Inquiry and the School of Art at Carnegie Mellon University. Thanks to Ben Fry, Marcus Beausang, Neil Brown & Judy Robertson for great code. A tip of the hat to Fred Trotter, Jovino, le Suedois, Patrick Donnelly and others who have gone down similar paths. Additional thanks to Andrea Boykowycz for creative input. Some of the QR Hobo Codes are inspired by: http://www.worldpath.net/~minstrel/hobosign.htm http://cockeyed.com/archive/hobo/modern_hobo.html http://en.wikipedia.org/wiki/Warchalking 'QR code' is trademarked by Denso Wave, Inc. CONTACT Inquiries about QR_STENCILER may be directed to: Golan Levin <email@example.com>