Set of modifications for Ultimaker 2 (UM2) Clone

This is a set of modifications for amazing Um2 Clone (http://www.thingiverse.com/thing:811271).
Made in Onshape
https://cad.onshape.com/documents/65cba2096f48454db7a84113
... and in Blender

1. Case for RepRapDiscount Smart Controller (http://reprap.org/wiki/RepRapDiscount_Smart_Controller)
2. Lower bracket for M4 screws (IMHO M3 too weak)
3. Upper brackets for M4 screws
4. Coupling for Z motor - 8mm leadscrew
5. Endstop Z actor
6. Endstop Z mount (optical GeeeTech endstop)
7. LED ba