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In my latest signal design iteration I  split the signal head to facilitate inserting the SMD LEDs I got from my friend David at WeHonest on eBay.  The red-yellow-green LED were pre-wired at his facility in China.

2-piece signal

the lens is 3D printed as well as a mini-Fresnel lens to fit flat into the signal head and to get the light focal point the same as a traditional LED. The lens has a rectangular opening to insert the SMD LEDs in the back of the lens.

fres 1



the back looks like this

fres 2

here is what the wired lens  look like before insertion inti the signal heads.



20230501_152024_resized

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  • 2-piece signal
  • fres 1
  • fres 2
  • 20230501_152024_resized
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@AlanRail posted:

In my latest signal design iteration I  split the signal head to facilitate inserting the SMD LEDs I got from my friend David at WeHonest on eBay.  The red-yellow-green LED were pre-wired at his facility in China.

2-piece signal

the lens is 3D printed as well as a mini-Fresnel lens to fit flat into the signal head and to get the light focal point the same as a traditional LED. The lens has a rectangular opening to insert the SMD LEDs in the back of the lens.

fres 1



the back looks like this

fres 2

here is what the wired lens  look like before insertion inti the signal heads.



20230501_152024_resized

Nice work

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