It's fair to assume that if you are new to 3D printing and have limited experience, you've probably been using Slic3r. Slic3r has been in development since November 2011 and has become one of the most popular slicers in use. It has an easy user interface, good documentation, regular updates, and good user support on many forums.
You need a RepRap-based 3D printer and have the basic skills to operate it. If you are using Repetier-Host or another host that has Slic3r built in, use the standalone version. This can be found at http://slic3r.org/download.
This book uses Slic3r release v0.9.9. If you would like to use older versions, they can be downloaded at http://dl.slic3r.org/win/old/.
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