About this 3D model
This is the second version of my half proportional 2x2x4. It features a few tweaks which make assembling / finishing the puzzle a little easier. Print:1 x core8 x inner corner8 x outer corner9 x inner edge3 x inner center3x bandaged inner center Requires six M3 Screws and three springs. Cut the springs in half and put half a spring on each side of the puzzle.