Green Mamba DIY 3D printer V1.3. Complete design of the printer in OpenScad+STL.
more info: http://www.optolab.ftn.uns.ac.rs/index.php/education/project-base/211-diy-3d-printer
printer: https://www.youtube.com/watch?v=jDCqzzHqFrU
Separated parts:
extruder: https://www.thingiverse.com/thing:3727496
x_axis: https://www.thingiverse.com/thing:3260126
y_axis:https://www.thingiverse.com/thing:3260114
z_axis: https://www.thingiverse.com/thing:3727483
Green Mamba DIY 3D printer V1.2: https://www.thingiverse.com/thing:3059679
Green Mamba DIY 3D printer V2.0: https://www.thingiverse.com/thing:3260169
All parts are easy to print.