howto2

So, to complete this step, print out the above diagram, cut it into five separate pieces along the blue lines, then tape the back of one each larger increment to the front of each smaller increment following the series of numbers indicated in red (thus: tape the front, coloured side of "1f" to the back, blank side, behind the label "1b" of the next smaller increment, and tape the back, blank side behind the label "4b" to the front, coloured side of "4f" on the next larger increment), and arrange the cut and taped pieces such that they appear thus: