turlif 投稿 "Dimension 3D Printing Group had its second
annual "Extreme Redesign: The 3D Printing Challenge" for high school and college students in the U.S.
Check out the top 6 designs, very creative and useful: detachable cord reel,
outlets, sandwich holder
(for people with disabilities), kalendar sphere, wall-mount for an
electric toothbrush, and holographic