2020 core x y 3d printer belt tensioner V0.1

core x y 3d printer belt tensioner you need two bearings a 8mm screw rod and some nuts, it works perfect for my 3d/cnc prototipe, ive been using it for more than three monts without any problem cutting and milling mdf dm up to 10 mm.

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