Hypnocube 4Cube Instructions v 6.5, December 2013
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Part 2: The Bad
In "The Bad" we will construct the LED lattice. This will consist of four steps: bending the LED leads into the
required shape, soldering the LEDs into eight strips of eight LEDs each, then soldering the strips into an 8×8
grid, and finally cutting this grid CAREFULLY into four separate 4×4 grids. Along the way we will need to
construct a couple of jigs to hold the LEDs as we work.
This is the most challenging part of constructing the cube. We recommend that you read this section thoroughly
to understand what is going to happen. Your cube will be much easier to make, less likely to have mistakes, and
will cause you less grief if you understand this entire section before starting it. Plus doing this part very
carefully will make your LEDs line up nicely, improving the aesthetic appeal.
Estimated completion time: 2.5 - 5 hours.
Step 1: Bend the LEDs
Look at the 3-channel RGB LED in Figure 27. There is a flat side, next to the red pin. The ground pin is
longest, and is next to the red pin. Note the kit has extra LEDs besides the 64 needed to complete the kit.
Figure 27: Unbent LED.
This part is tricky, so pay close attention. The leads from each of the 64 LEDs must be bent as in Figure 28 and
Figure 29.
Do not bend any yet! Read this section very carefully several times before starting to bend LEDs. Bending the
leads back and forth too many times will break the leads. In all the cubes we have built we have broken none
yet, but just in case we shipped you at least one extra LED.
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