2 Wires + Resistor Connector with M2.5x6mm Screws

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While working on some projects I encountered with a scenario where I needed to make a simple circut for LEDs, which requires a resistor component along with soldering and isolating procedures. 

Since I didn't want permanent soldering together of my components, I came up with this simple design of a 2-wire-connector box which works with screws to hold up the wires. I also designed a small socket between the 2 screws for a resistor to sit tight in-between. 
 

For Using it without a resistor: 

1. Take 2 M2.5x6 screws and screw them in, but not all the way yet.
2. Take one side of one of your wires and remove about 3cm from its isolation. Then, make 1 loop around the screw near one of the edges, following with another loop around the parallel screw, like an 8 shape.
3. Take your second wire and repeat the procedure in step 2 starting with the screw next to the other edge.
4. Tighten the screws until they're flushed.

For Using it with a resistor:

1. Take 2 M2.5x6 screws and screw them in, but not all the way yet. 
2. Take a resistor of your choice and place it within the socket in the middle of the box.
3. Hold the resistor with one finger, and with your second hand take each of its legs and make a loop around the screw to its direction (if the legs of your resistor are too long, you can either make a second loop around the same screw or trim the legs so they don't expose outside the box).
4. Take one of your wires and remove about 1.5cm from its isolation. Then, make 1 or 2 loop around the screw near one of the edges.
5. Repeat the procedure in step 4 starting with the screw next to the other edge.
6. Tighten the screws until they're flushed.

To isolate the circut I also made 2 lid versions to fit above the box; one version has a small tooth above the channel on each side where the wires are inserted, which make a nice grip on them, though it is also less easy to disassemble once you put it on. Hence, I made a second version without the grip teeth which you can easily slide ontop the box from the side, without needing to stretch the side walls. 

Please note that I designed it to work with M2.5 screws diameter which goes well with the Raspberry Pi. This specific design is for the 6mm screws size. Other screws may also work but their heads may not fit flushed with the box and so the lid may not fit. 

No support is needed. I included my Prusa Slicer files where I already rotated the lid to be printed on its side so no support will be needed. If however you use the stl files, make sure you rotate the lid to be printed with one of its small sides facing down.