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My Model Railroad
Tower Lights

3 light towers printed with ABS filament. Each tower has three 3mm white LED's and a single 56 Ohm resistor in the base.  I used the brass rod to look like electrical conduit running up the tower, but the (2) rods actually supply the power to the lights.

Tower - ​ This thing was created by Thingiverse user kabrumbl​e , and is licensed under cc.