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      Filament Maker license information

      This license overview details what third party software and services the Filament Maker firmware utilizes.

      The Filament Extruder/Maker contains compiled versions of some third-party software. This file is intended to be distributed along with new machines and compiled software updates, and contains information regarding the copyright and licensing of this software. For more details about the terms applied to the software as a whole, see the 3Devo general terms and conditions.

      Arduino AVR core

      The main firmware makes use of the Arduino AVR core "library" from https://github.com/arduino/ArduinoCore-avr/tree/master/cores/arduino. It is licensed under the following conditions (LGPL 2.1 license):

      Copyright held various authors and contributors, see the source files for details.

      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

      The full license terms can be found at https://github.com/arduino/Arduino/blob/master/license.txt. The Arduino AVR core contains files with other licenses, but those are not used by the main firmware. To allow using a modified version of this library with the main firmware (as meant in article 6 of the license) you can send a request to support to receive the sources and object files needed to relink a modified copy of the firmware.

      Arduino SPI library

      The main firmware makes use of the Arduino SPI library from https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/SPI. It is licensed under the following conditions (LGPL 2.1 license):

      Copyright (c) 2010 by Cristian Maglie  c.maglie@arduino.cc 
      Copyright (c) 2014 by Paul Stoffregen  paul@pjrc.com (Transaction API)
      Copyright (c) 2014 by Matthijs Kooijman  matthijs@stdin.nl (SPISettings AVR)
      Copyright (c) 2014 by Andrew J. Kroll  xxxajk@gmail.com (atomicity fixes)
      SPI Master library for Arduino.

      This file is free software; you can redistribute it and/or modify it under the terms of either the GNU General Public License version 2 or the GNU Lesser General Public License version 2.1, both as published by the Free Software Foundation.

      The full license terms can be found at  https://github.com/arduino/Arduino/blob/master/license.txt. To allow using a modified version of this library with the main firmware (as meant in article 6 of the license) you can send a request to support to receive the sources and object files needed to relink a modified copy of the firmware.

      Arduino Wire library

      Starting with version 1.1.0, the main firmware makes use of the Arduino Wire library from https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/Wire. It is licensed under the following conditions (LGPL 2.1 license):

      Copyright (c) 2006 Nicholas Zambetti. All right reserved.

      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

      The full license terms can be found at  https://github.com/arduino/Arduino/blob/master/license.txt. To allow using a modified version of this library with the main firmware (as meant in article 6 of the license) you can send a request to support to receive the sources and object files needed to relink a modified copy of the firmware.

      uclibc++ library

      The main firmware makes use of the uclibc++ library from  https://github.com/mike-matera/ArduinoSTL. It is licensed under the following conditions (LGPL 2.1 license):

      Copyright (C) 2006 Garrett A. Kajmowicz

      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

      The full license terms can be found at  https://opensource.org/licenses/LGPL-2.1. The library contains files with other licenses, but those are not used by the main firmware. To allow using a modified version of this library with the main firmware (as meant in article 6 of the license) you can send a request to support to receive the sources and object files needed to relink a modified copy of the firmware.

      To allow using a modified version of this library with the main firmware (as meant in article 6 of the license) you can send a request to support to receive the sources and object files needed to relink a modified copy of the firmware.

      TaskScheduler library

      The main firmware makes use of a modified version of the TaskScheduler library from https://github.com/3devo/TaskScheduler. It is licensed under the following conditions (BSD3 license):

      Copyright (c) 2015, Anatoli Arkhipenko. All rights reserved.

      Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

      1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

      2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

      3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

      MAX31855 library

      The main firmware makes use of code from the MAX31855 library from  https://github.com/adafruit/Adafruit-MAX31855-library. It is licensed under the following conditions (BSD3 license):

      Copyright (c) 2012, Adafruit Industries All rights reserved.

      Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
      1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
      2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
      3. Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

      U8glib library

      Until version 1.1.0, the main firmware makes use of the U8glib library from https://github.com/olikraus/U8glib_Arduino. It is licensed under the following conditions (BSD2 license):

      Copyright (c) 2011,  olikraus@gmail.com All rights reserved.

      Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
      • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
      • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

      U8g2 library

      Starting with version 1.1.0, the main firmware makes use of the U8g2 library from  https://github.com/olikraus/U8g2_Arduino. It is licensed under the following conditions (BSD2 license):

      Copyright (c) 2016,  olikraus@gmail.com All rights reserved.

      Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
      • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
      • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

      "baby" font

      The main firmware makes use of the "baby" font from https://fontstruct.com/fontstructions/show/35496/baby_4 created by "mrsbarrett". It is licensed under the terms of the Creative Commons Attribution-ShareAlike 3.0 license. See https://creativecommons.org/licenses/by-sa/3.0/legalcode for the full license.

      Boost library

      Starting with version 1.1.0, the main firmware makes use of the "Boost for Arduino" library from https://github.com/vancegroup/arduino-boost. It is licensed under the following conditions:

      Copyright held various authors and contributors, see the source files for details.

      Boost Software License - Version 1.0 - August 17th, 2003

      Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the software and accompanying documentation covered by this license (the "Software") to use, reproduce, display, distribute, execute, and transmit the Software, and to prepare derivative works of the Software, and to permit third-parties to whom the Software is furnished to do so, all subject to the following:

      The copyright notices in the Software and this entire statement, including the above license grant, this restriction and the following disclaimer, must be included in all copies of the Software, in whole or in part, and all derivative works of the Software, unless such copies or derivative works are solely in the form of machine-executable object code generated by a source language processor.

      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

      This library contains files with other licenses, but those are not used by the main firmware.

      SipHash library

      Starting with version 1.3.0, the main firmware makes use of the "SipHash" library from  https://www.forward.com.au/pfod/SipHashLibrary/. It is licensed under the following conditions:

      (c) 2013 Forward Computing and Control Pty. Ltd.  www.forward.com.au This code may be freely used for both private and commercial use. Provide this copyright is maintained.

      LUFA USB firmware

      The USB firmware is based on the LUFA library, and licensed under the following conditions.

      Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)

      Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission.

      The author disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software.

      Optiboot Bootloader

      The bootloader running on the devoboard is a version on Optiboot and licensed under the following conditions (GPL2 license):

      Copyright 2013-2015 by Bill Westfield.
      Copyright 2010 by Peter Knight.

      This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

      This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

      The full license terms can be found at  https://opensource.org/licenses/GPL-2.0 The sources for this firmware can be found online at  https://github.com/3devo/optiboot or can be requested via contact support.

      AtTinyBootloader

      The bootloader running on the interfaceboard (version 1.3 and above) is licensed under the following conditions (GPL3 license):

      Copyright (C) 2015-2017 Erin Tomson  erin@rgba.net 
      Copyright (C) 2017 3devo. 

      This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

      This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see  https://www.gnu.org/licenses/.

      The full license terms can be found at https://opensource.org/licenses/GPL-3.0 The sources for this bootloader can be found online at https://github.com/3devo/AtTinyBootloader or can be requested via contact support.

      Interface board firmware

      Starting with version 1.1.0, the main firmware includes a secondary firmware for the interface board. It is licensed under the following conditions (GPL3 license):

      Copyright (C) 2015-2017 Erin Tomson  erin@rgba.net 
      Copyright (C) 2017 3devo. 

      This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

      This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see  https://www.gnu.org/licenses/.

      The full license terms can be found at  https://opensource.org/licenses/GPL-3.0 The sources for this bootloader can be found online at  https://github.com/3devo/InterfaceBoardFirmware or can be requested via contact support.