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Piano cake!

Step 6Danger: Black ice! ing!

Danger: Black ice! ing!
Now comes the fun and dangerous part.  No mistakes allowed from this point forward.  You're going to draw in the boundaries between pairs of white keys, using that tube of black icing.

Between pairs of {open} spaces referred to in the previous step, this exercise is pretty straightforward: Just ice a straight line to divide the two {open} spaces evenly, all the way across the top of the cake and down the front (and the back, if you really really want to).  I'd draw in all these {open/open} lines first, to give you a framework for the rest.  Let's call these {open/open} lines baselines.

Now note that the remaining white keys all have slightly different shapes!  Looking at the fourth Fudge Stick you laid down (fourth from the left, that is -- note name G#), the black icing should extend from the middle of the base of the Fudge Stick straight down to the edge and then down to the base of the cake -- easy enough.  (Let's call this G# line a midline.)  But for the two adjacent Fudge Sticks (F# and A#), the point of origin of the black icing should be halfway between the baseline and the midline -- NOT at the midpoint of the Fudge Stick.

A similar arrangement can be made for the first two Fudge Sticks you laid down.  The lines you draw need to divide the space between the baselines into three equal parts, which means the point of origin of the black icing should be roughly at the 2/3 point (from left to right) of Fudge Stick  1 (C#), and at the 1/3 point (from left to right) of Fudge Stick 2 (D#). NOT at the midpoint of the Fudge Stick.

Again, repeat this pattern all the way up your keyboard and you'll be good to go.  The goal is to have ALL white keys be of equal width lined up along the long white edge of the cake (the one not interrupted by Fudge Sticks).
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Author:pefty