Step 3Make the pedal steps...
That means that I nees to press Ctrl and Alt keys first, and then one or another arrow.
So, we will make a simple mechanism to press first 2 switches and then, while holding those, press the other key.
So, we will need to build a kind of foamy sheet ladder to make this cascading chain of pressings.
1) Let's start by gluing a long piece of foamy along the bottom of both pedals.
2) Then, cut another 2 small squares and glue them over the first foamy layer - this squares will press the Ctrl and Alt switches that we will make next.
3) Then, cut another small square, but also cut it to make it half the original height, like if you were slicing some kind of green ham =P
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