About this 3D model

I made the new Echo 4 Puzzle by Yuu Asaka available for 3d printing. Echo 4 is another packing puzzle from prolific producer, Yuu Asaka. This is an entry level addition to his award-winning puzzle range, even so these puzzles are still more challenging than initially expected. The aim is straight forward: fit all 4 'echo' pieces inside the frame. As seen in Chris Ramsey's new video: - BEWARE , SPOILERS AHEAD -