The goal was to build a printer with bigger print volume than Prusa Mendel.

Chassis based on M8 screw rods, strong pyramidal design and It has mount holes to the wooden plate to increase the stability of the printer.

It uses standard 220x220mm aluminium heated bed, E3D V6 hotend (clone) with Bowden type extruder. You can use any cheap one from China.

Build size is 220 x 220 x 200 mm (xyz).

Z axis has bearing stabilizers to reduce z-wobbling.

More on reprap wiki: https://reprap.org/wiki/.ctor-bot