8th Old Lumens Challenge is CLOSED !!!

[djozz]

And mine is finished too (jan 5th 4.30 pm here)

See here for the last bit of my build:

OLcontest, modified light: 20cm fresnel lens thrower

I had to finish it today, so here’s the final stretch. Because the star and the batman projections were not what I wanted for this build, I tried a little spider. The shape was too difficult for the fretsaw, so I went for etching a thin copper sheet, for so long that the copper was eaten through by the FeCl3. I took a long time, and the cutout was not perfect, but the result was rather nice. Still, this was not the final version. But here are some pictures. Both are at about 40 meters. [image…

OLcontest, modified light: 20cm fresnel lens thrower

And now for the finished light! Meet the Vir-O-blast C19. My pinstripe is certainly nowhere good enough to apply for a job at RR (link), but I still like my paint job. [image] [image] The vir-o-blast c19 will not infect you, or cure you from anything (although this post may be the start of a new conspiracy theory ), but it may hopefully brighten up this dark winter a bit [image] [image] Without the virus stencil in place and with the led die focused, th…