Gravity Defying 3D Printing Robot(shapeways.com)1 points·by bhadra·13 ปีที่แล้ว·0 commentsshapeways.comGravity Defying 3D Printing Robothttp://www.shapeways.com/blog/archives/2071-gravity-defying-3d-printing-robot-almost-makes-objects-appear-in-thin-air.html0 commentsPost comment—