here i am
i’m using an opensource 3d printer (RepRap project), specifically a Prusa i2. It arrived as a kit. Low price and good results. Take a “tour” on the project wiki:
(there’s also a forum)
if you are a programmer, use OpenSCAD. Or you can use Blender.
Then you need to export your object in STL format. Then you need to use Slic3r (that is an italian opensource slicing sw)
to generate gcode from this STL. At this point you need a 3d printer