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A simple switch encloure useful for making a DCC/DC decoder and locomotive test board and rolling road, as shown in our hot-to tutorial video: https://youtu.be/xCsMMFM9_7Q
We recommend that you print it out at 1mm 0.10mm layer height in PLA plastic, using 75% or greater fill. The box should be printed text down and must be printed with supports for the screw hole brackets and the three socket cut-outs (one round, two rectangular) at the front.
The small, seperate plastic bar adjacent to the main enclosure can be solvent-welded (EMA Plastic Weld is recommended) over the two panel-mount sockets once installed to help secure them (but super glue on the sockets may suffice).
The socket and switch holes are designed to fit the following component, but may require light filing to ensure a perfect fit: