Signal
thingiverse
Human-scale model railway signal design unfolds with precision engineering. The ultimate printer challenge lies in producing high-quality prints of intricate details. A miniature circuit board (PCB) measuring 8x8mm is nestled within the signal, comprising three LEDs spaced 1.8mm from the outer edges and boasting a diameter of 1.8mm. Three resistors and a 3x3 mm connector add to the complexity of this compact design. Achieving precision in manufacturing this part is the key to its successful integration. The design process begins with FreeCAD, where measurements are meticulously extracted from the original prototype.
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