Below, you will find pictures and descriptions of the SK1 through each phase of the circuit bending process. As this was a first attempt at circuit bending, I used an online guide to help me through the process.

[from the original casio SK1]

sk1
[to the finished product]

bent_sk1_1

 

[listen to audio samples]

 

The project began by wiring 12 toggle switches to the bend points on the motherboard for various effects, one potentiometer for pitch (left), another pot for polyphony cut (right), a momentary pushbutton effect for hard glitching (bottom left), a 10 input patch panel (right), and 1/4 inch line in & out (right).

The SK1 itself was found in a Goodwill store here in Austin for $1.25. Spending large sums of money on instruments to bend is always risky as the instrument may become damaged in the bending process. For this reason, it's always best to spend as little cash as possible until you become fairly handy with a soldering knife.

The wood used in this project was found in nearby dumpsters, and the blue panel which houses the switches was made from a baking pan which was easily acquired from a local thrift store. The blue plastic protecting the corners was cut from a sterilite container lid. Everything was spraypainted after drilling, but prior to assembly. The upholstry was found on the side of the road.

 

[underside of main panel]
bent_sk1_3

 

All switches were installed in the panel after painting and soldered with the first section of wiring. Next the bend points on the motherboard were tested using trial and error with a little help from an online guide (see links below). Once the points on the motherboard were soldered to the second section of wiring, I was able to connect the wires from the switches to the wires on the motherboard thus forming closeable circuits. I used B-Connectors which are commonly used in telecom wiring because they were readily available (just happened to have some around), and no stripping of wires is necessary when crimping.

 

 

[motherboard post wiring]
bent_sk1_2