Multi-Function Maker Simple Machine

This machine is a multi-purpose machine inspired by the printrbot maker simple and the excellent designs of iamjonlawrence ( Jon Lawrence ), orangefurball ( Matt Wahlers ) and theefer.
At this time I have used this machine as a 3D printer and a laser engraver. The supplied images are of the laser engraver variant.
This design is intended to be printed with a minimum of support structure.
The CPU case is intended to hold one of my custom controller boards but can be easily modified for a printrboard.
The system is held together with M3 screws and nuts.
The axis rods are 8mm linear rails
The stepper motors are NEMA 17
The Z-Axis screw and nut are M8 threads.