I frequently had the problem that downloaded STL files needed some minor editing in order to be printable on my MakerBot. Most of the time it was just a simple move to the center of the build platform or a resize.
In addition to that, I already wrote OpenGL code to visualize STL and GCode files a couple of months ago for another larger project.
Finally I had sometimes the problem that I downloaded a ASCII encoded STL file and wanted to open the file in my 3D/CAD application. Since this application can only read binary STL files I needed an easy way to convert ASCII STL to binary STL.
So I wrote Pleasant3D, a small utility which solves these problems and uses the above mentioned visualization code to display STL and GCode files.
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