Build Instructions

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• 1

  Step 1

  STEP 1 – TAKE A PICTURE OF YOUR LAYOUT

  Take a photo of your layout an note the location of your points. There are 4 here.

• 2

  Step 2

  STEP 2 – SKETCH A TOPOLOGICAL MAP

  This is basically a tube station like map (ref https://en.wikipedia.org/wiki/Harry_Beck)

  but applied to the point locations. We’re not concerned with the absolute geographic location of the points but their relative positions.

• 3

  Step 3

  STEP 3 – PRINT SWITCH TEMPLATES

  Print out the template for the points switch PCBs and cut out as many as required.

  
  

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