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Ditching blender for Alibre free edition

Ok, either I am doing something wrong or Blender really has a problem with stl export. When I export my models to stl I can load the models just fine in Myriad 3D viewer , but when I load them in Zcorp's Zprint the normals are wrong and they show up as wire frames and not solid models. Hyunyoung from the fab-lab suggested I try out Alibre Design Xpress, which is a free version of their CAD software. I got it to work with minimum hassle. The only thing I could not figure out how to do was sketch elipses!

I needed the latest JVM
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