Unless marked otherwise, all scad and stl files are licensed under your choice of the MIT License or 
the Creative Commons Attribution 3.0 or higher license (https://creativecommons.org/licenses/by/3.0/).
All scripts are licensed under the MIT license.

SVG path code copyrights:
    Lennart Regebro <[email protected]>, Original Author
    Justin Gruenberg implemented the Quadradic Bezier calculations and provided suggestions and feedback about the d() function.
    Michiel Schallig suggested calculating length by recursive straight-line approximations, which enables you to choose between accuracy or speed. Steve Schwarz added an error argument to make that choice an argument.
    Thanks also to bug fixers Martin R, abcjjy, Daniel Stender and MTician.

SOME EXCEPTIONS:

penholder_mod.scad: 
    Licensed under the Creative Commons - Attribution - Non-Commercial 3.0 license.
    https://creativecommons.org/licenses/by-nc/3.0/
    
    Remix of Pen holder for Shapeoko CNC by EGoe:
    http://www.thingiverse.com/thing:261162

    

    
MIT LICENSE TEXT:

Copyright (c) 2016 Alexander R. Pruss

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS 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 THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.