once you have all of your pieces cut out take four of them ans put them in a square. make sure that they are at 90 degree angles or the cube will not fit together right. once you have them in place solder the corners. repeat this step four times until you have all five layers together. Next we need to take three rods for each layer and make the ribs. take a ruler and a permanent marker to measure out 1 inch increments on two opposite sides of each square. these points are going to be where you solder the ribs to the square, again make sure that they are at a 90 degree angle. you'll also want to measure out one inch increments on each rib, you'll thank me later. when you're done you should have five squares with three lines running through them.