7, 2015 photo, a 3D printed stethoscope, right, is seen next to a … by a 3-D printer for just $2.50 _ a fraction of the cost of leading brands.
A Site About 3D Stuff
7, 2015 photo, a 3D printed stethoscope, right, is seen next to a … by a 3-D printer for just $2.50 _ a fraction of the cost of leading brands.