The file 'Printrbot Jr. Lasercut Files' is (dxf) file type, size is 381.2KB.
WARNING. SOME HOLES MAY BE UNDER SIZED. I HAVE MADE MACHINE FROM IT BUT I REQUIRED TO FILE SOME HOLES.
A ver with many improvements coming.
http://makein3d.blogspot.in/2013/02/introducing-rpm-mini.html