NOTICE !!! manufacturer has changed design of the carriage,
y-axis part will not fit on newer models.
belt attachment for Anet 3D "Anet A8" model Prusa i3 3D printer aka "Omni" aka "m-505".
Acrylic framed printers with 5 button next to LCD screen.
Alunar, Hesine may be the same kind of printers.
04/11/2016 - all normals unified and errand edges deleted.
04/15/2016- reduced number of teeth, seemed to be overkill.