Originally Posted by
Feign
Okay, when the print head is moving, how does it stop to turn a corner precisely without swinging slightly on the strings? And slight swinging is all it needs to get bizarre ripples in every part of the printed piece. Also, even architects should know that a wire hanging even a large weight at an angle will still sag, the position of the print head will be unpredictable to within a few millimeters on this setup, let alone in a canyon, where wind will have a hanging weight swinging around a radius of about half a foot.
It's not like engineers haven't thought of this, they just thought of the reasons it won't work well before making nice images and trying to claim it as a great idea.
At least it's better conceived than putting an extruder on a quadcopter and thinking it will be a flying printer...