core xy 3d printer z axis nut support for large dual carril z platform V0.1

core xy 3d printer z axis nut support for large dual motor/ carril z platform v 0.1

i've found some months ago a kickstarter campaign to make reality the final 'commercial open source' machine version of my 3d/cnc all in one 500mm x 500mm x 500mm printer, build up from my ''proto'' machine that you can make with the pieces i have uploaded in my profile and some other ones you can found here on thingiverse, ill be making a post of this soon to agrup every piece of the prototipe ''alpha'' model