Kossel LM8UU 1515 extrusion 2.0

September 8 2018 update:
increased wire holes and some little modifications on the lower frame

added bearing support on the upper frame(problem here: have no space to use a screwdriver to atach the aluminum frame, I used a pilers.)

Feb 9 2018 update :
increase the wire holes
adding the top frame with belt tensioner(it uses M5 screw and NUT)
Top frame inspired in: http://www.thingiverse.com/thing:633178
printed the lower frame, looks good, but didn't test yet

Feb 22 2019 update :
-