All the models in this example directory can be found on
Thingiverse (www.thingiverse.com), a site for sharing
digital designs for physical objects.  Sharing is fun!

The models included here are:

* Two Color World by (various)
  Shared under the Creative Commons - GNU GPL 
  http://www.gnu.org/licenses/gpl-2.0.html
  http://www.thingiverse.com/thing:11660

* Hilbert Cube by tbuser (the one and only)
  Shared under CC-BY-NC-SA 3.0 license
  http://creativecommons.org/licenses/by-nc-sa/3.0/
  http://www.thingiverse.com/thing:16343

* Snake.stl: Snake (Articulated Python) by Zomboe
  Shared under CC-BY-NC-SA 3.0 license
  http://creativecommons.org/licenses/by-nc-sa/3.0/
  http://www.thingiverse.com/thing:4743

* Penny_bottle_opener.stl: Coin-op Bottle Opener by Starno
  Shared under the Creative Commons - GNU GPL 
  http://www.gnu.org/licenses/gpl-2.0.html
  http://www.thingiverse.com/thing:1842

* 3D_Knot.stl: 3D Knot by MakeALot
  Shared under BSD License license
  http://creativecommons.org/licenses/BSD/
  http://www.thingiverse.com/thing:5504

* Whistle.stl: Whistle by Zaggo
  Shared under CC-BY-NC 3.0 license
  http://creativecommons.org/licenses/by-nc/3.0/
  http://www.thingiverse.com/thing:1046
  Cleaned up by Cibomahto:
  http://www.thingiverse.com/thing:8391

* vase3.stl: Faceted Vase 3 by Zydac
  Released into the public domain
  http://www.thingiverse.com/thing:4167

* 20mmbox.stl: 20 mm calibration box by Spacexula (Derivative of 40mm cube by bre)
  Shared under the CC BY-SA 3.0 license
  http://creativecommons.org/licenses/by-sa/3.0/
  http://www.thingiverse.com/thing:2064

* skull.stl: Skull by bothacker
  Shared under the CC BY-SA 3.0 license
  http://creativecommons.org/licenses/by-sa/3.0/
  http://www.thingiverse.com/thing:3400

* Razor Blade Holder (thing 4179).STL: Razor Blade Holder by donutman_2000
  Released into the public domain
  http://www.thingiverse.com/thing:4179

* Marker Holder (thing 5570).stl: Marker Holder by theorbtwo
  Released into the public domain
  http://www.thingiverse.com/thing:5570

* Filament Dust Remover (thing 5639).stl: Filament Dust Remover by nicgravel
  Shared under CC-BY 3.0 license
  http://creativecommons.org/licenses/by/3.0/
  http://www.thingiverse.com/thing:5639

* Cable Clip 2 (thing 4022).stl: Makerbot Extruder Cable Clip by coasterman
  Released into the public domain
  http://www.thingiverse.com/thing:4022

* Cable Clip 1 (thing 3989).stl: Makerbot extruder cable clip by justjoheinz
  Shared underCC-BY 3.0 license
  http://creativecommons.org/licenses/by/3.0/
  http://www.thingiverse.com/thing:3989

* Z Axis Knob (thing 3234).STL: Z-Axis Knob by Stefan
  shared under CC-GPL license
  http://creativecommons.org/licenses/GPL/2.0/
  http://www.thingiverse.com/thing:3234

* Z Axis Oiler (1 of 2, thing 4774).stl, Z-Axis Oiler (2 of 2, thing 4774).stl: Z Axis Oiler by Fido
  Shared under CC-GPL license
  http://creativecommons.org/licenses/GPL/2.0/
  http://www.thingiverse.com/thing:4774

* Z Axis Wobble Arrester (thing 3057).stl: wobble Arresting Z Bracket by natetrue
  Shared under CC-LGPL
  http://creativecommons.org/licenses/LGPL/2.1/
  http://www.thingiverse.com/thing:3057