Changes

=Software Used=

'''Slic3r''' G-code generator for 3D printers [http://slic3r.org/ slic3r.org] (free and open source)

'''Rhinoceros 3D''' The world's most versatile 3-D modeler [https://www.rhino3d.com/download rhino3d.com] (free for 90 days)

=Hardware Used=

'''CreatorBot Pro II''' [https://www.3dprinterworks.com/products/creatorbot-3d-pro-series-ii printer webpage]