The Piccolo seems to be a 3-axis machine, i.e. it can already do that since lifting the pen is quite essential when drawing. However, I guess it can't control

The Piccolo seems to be a 3-axis machine, i.e. it can already do that since lifting the pen is quite essential when drawing. However, I guess it can't control the extrusion rate dimension that a 3D printer has, so it would still fall a bit short.