This is another lasercut - frame printer based on Mendel Prusa i3 and Graber.
Increased frame gives greater print area (200x200x350mm)
You can use any of the carriage for Prusa i3 Use 6mm studs and 8mm shafts
Frame is held together with screws m3x20mm
As there are holes for the mounting Arduino Mega (RAMPS)
just assemble an in the 3d model in this link and pull with screws
use 8mm rod 2x 500mm, 2x 400mm, 2x 350mm and m6 threaded 2x 500mm