Slim Balance tetrix box

Box and lid with 3 mm walls, and 2 mm bottoms and sides, reduces the material from about 600 grams to about 300 grams, with the same measures of heights, and clearances as the original for the pieces, but the piece measures 26 mm less in length, and 16 mm in width.  This model is for the box only,  you can find the Tetris game here.  https://www.printables /model/335938