About this 3D model

Goal of the puzzle: fit all of the gear pieces onto the board. -you may only insert 1 gear at a time. -when you insert a gear the guide lines must be aligned with the rest of the board (not diagonally) -you can't insert a piece if an adjacent piece blocks it. -rotating the pieces is allowed as long as their guide lines will be aligned at the end of the rotation. -the solution doesn't have to be able to rotate. you need to print each file as many times as written next to the X in the file name. (entry for the make anything puzzle design challenge)