M Prime One is a free 3D printer intended to be simple, low-cost and easy to build and use.
The complete description, along with the BOM and the documentation can be found at http://mprime.io/m-prime-one.
Printing surface: 200x150x150mm.
1.75mm bowden extruder.
Compatible with any hotend with 12mm diameter mount.
Magnetic bed, easy to place and remove.
Auto-level system with inductive/capacitive sensor.
Cable management integrated in the design
Integrated electronics holder (compatible with RAMPS or SAV Mk1, can be adapted to other boards)
Optional LCD holder (compatible with Smart Controller)