This is my take on a Prusa I3, with a cnc mill, laser cutter friendly frame. MP3DP- Milled/Printed 3D Printer.
This uses common 3D printer parts, hardware, milled parts, and printed pieces.
All the info is here, http://www.vicious1.com/projects/project-3d-printer/
http://www.thingiverse.com/thing:724999
Some of the parts are available shop. https://vicious1-com.myshopify.com/